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r(e){this.name=e||"default",this.streamInfo={},this.generatedError=null,this.extraStreamInfo={},this.isPaused=!0,this.isFinished=!1,this.isLocked=!1,this._listeners={data:[],end:[],error:[]},this.previous=null}r.prototype={push:function(e){this.emit("data",e)},end:function(){if(this.isFinished)return!1;this.flush();try{this.emit("end"),this.cleanUp(),this.isFinished=!0}catch(e){this.emit("error",e)}return!0},error:function(e){return this.isFinished?!1:(this.isPaused?this.generatedError=e:(this.isFinished=!0,this.emit("error",e),this.previous&&this.previous.error(e),this.cleanUp()),!0)},on:function(e,t){return this._listeners[e].push(t),this},cleanUp:function(){this.streamInfo=this.generatedError=this.extraStreamInfo=null,this._listeners=[]},emit:function(e,t){if(this._listeners[e])for(var r=0;r<this._listeners[e].length;r++)this._listeners[e][r].call(this,t)},pipe:function(e){return e.registerPrevious(this)},registerPrevious:function(e){if(this.isLocked)throw new Error("The stream '"+this+"' has already been used.");this.streamInfo=e.streamInfo,this.mergeStreamInfo(),this.previous=e;var t=this;return e.on("data",function(e){t.processChunk(e)}),e.on("end",function(){t.end()}),e.on("error",function(e){t.error(e)}),this},pause:function(){return this.isPaused||this.isFinished?!1:(this.isPaused=!0,this.previous&&this.previous.pause(),!0)},resume:function(){if(!this.isPaused||this.isFinished)return!1;this.isPaused=!1;var e=!1;return this.generatedError&&(this.error(this.generatedError),e=!0),this.previous&&this.previous.resume(),!e},flush:function(){},processChunk:function(e){this.push(e)},withStreamInfo:function(e,t){return this.extraStreamInfo[e]=t,this.mergeStreamInfo(),this},mergeStreamInfo:function(){for(var e in this.extraStreamInfo)this.extraStreamInfo.hasOwnProperty(e)&&(this.streamInfo[e]=this.extraStreamInfo[e])},lock:function(){if(this.isLocked)throw new Error("The stream '"+this+"' has already been used.");this.isLocked=!0,this.previous&&this.previous.lock()},toString:function(){var e="Worker "+this.name;return this.previous?this.previous+" -> "+e:e}},t.exports=r},{}],244:[function(e,t){(function(r){"use strict";function n(e,t,r){switch(e){case"blob":return s.newBlob(s.transformTo("arraybuffer",t),r);case"base64":return c.encode(t);default:return s.transformTo(e,t)}}function i(e,t){var n,i=0,a=null,o=0;for(n=0;n<t.length;n++)o+=t[n].length;switch(e){case"string":return t.join("");case"array":return Array.prototype.concat.apply([],t);case"uint8array":for(a=new Uint8Array(o),n=0;n<t.length;n++)a.set(t[n],i),i+=t[n].length;return a;case"nodebuffer":return r.concat(t);default:throw new Error("concat : unsupported type '"+e+"'")}}function a(e,t){return new h.Promise(function(r,a){var o=[],s=e._internalType,l=e._outputType,u=e._mimeType;e.on("data",function(e,r){o.push(e),t&&t(r)}).on("error",function(e){o=[],a(e)}).on("end",function(){try{var 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f(this,{objectMode:"nodebuffer"!==this._outputType},e)}},t.exports=o}).call(this,e("buffer").Buffer)},{"../base64":219,"../external":224,"../nodejs/NodejsStreamOutputAdapter":229,"../utils":247,"./ConvertWorker":239,"./GenericWorker":243,buffer:41}],245:[function(e,t,r){(function(t){"use strict";if(r.base64=!0,r.array=!0,r.string=!0,r.arraybuffer="undefined"!=typeof ArrayBuffer&&"undefined"!=typeof Uint8Array,r.nodebuffer="undefined"!=typeof t,r.uint8array="undefined"!=typeof Uint8Array,"undefined"==typeof ArrayBuffer)r.blob=!1;else{var n=new ArrayBuffer(0);try{r.blob=0===new Blob([n],{type:"application/zip"}).size}catch(i){try{var a=window.BlobBuilder||window.WebKitBlobBuilder||window.MozBlobBuilder||window.MSBlobBuilder,o=new a;o.append(n),r.blob=0===o.getBlob("application/zip").size}catch(i){r.blob=!1}}}r.nodestream=!!e("./nodejs/NodejsStreamOutputAdapter").prototype}).call(this,e("buffer").Buffer)},{"./nodejs/NodejsStreamOutputAdapter":229,buffer:41}],246:[function(e,t,r){"use strict";function n(){l.call(this,"utf-8 decode"),this.leftOver=null}function i(){l.call(this,"utf-8 encode")}for(var a=e("./utils"),o=e("./support"),s=e("./nodejsUtils"),l=e("./stream/GenericWorker"),u=new Array(256),c=0;256>c;c++)u[c]=c>=252?6:c>=248?5:c>=240?4:c>=224?3:c>=192?2:1;u[254]=u[254]=1;var f=function(e){var t,r,n,i,a,s=e.length,l=0;for(i=0;s>i;i++)r=e.charCodeAt(i),55296===(64512&r)&&s>i+1&&(n=e.charCodeAt(i+1),56320===(64512&n)&&(r=65536+(r-55296<<10)+(n-56320),i++)),l+=128>r?1:2048>r?2:65536>r?3:4;for(t=o.uint8array?new Uint8Array(l):new Array(l),a=0,i=0;l>a;i++)r=e.charCodeAt(i),55296===(64512&r)&&s>i+1&&(n=e.charCodeAt(i+1),56320===(64512&n)&&(r=65536+(r-55296<<10)+(n-56320),i++)),128>r?t[a++]=r:2048>r?(t[a++]=192|r>>>6,t[a++]=128|63&r):65536>r?(t[a++]=224|r>>>12,t[a++]=128|r>>>6&63,t[a++]=128|63&r):(t[a++]=240|r>>>18,t[a++]=128|r>>>12&63,t[a++]=128|r>>>6&63,t[a++]=128|63&r);return t},h=function(e,t){var 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n.join("")},stringifyByChar:function(e){for(var t="",r=0;r<e.length;r++)t+=String.fromCharCode(e[r]);return t},applyCanBeUsed:{uint8array:function(){try{return l.uint8array&&1===String.fromCharCode.apply(null,new Uint8Array(1)).length}catch(e){return!1}}(),nodebuffer:function(){try{return l.nodebuffer&&1===String.fromCharCode.apply(null,c.newBuffer(1)).length}catch(e){return!1}}()}};r.applyFromCharCode=o;var p={};p.string={string:i,array:function(e){return a(e,new Array(e.length))},arraybuffer:function(e){return p.string.uint8array(e).buffer},uint8array:function(e){return a(e,new Uint8Array(e.length))},nodebuffer:function(e){return a(e,c.newBuffer(e.length))}},p.array={string:o,array:i,arraybuffer:function(e){return new Uint8Array(e).buffer},uint8array:function(e){return new Uint8Array(e)},nodebuffer:function(e){return c.newBuffer(e)}},p.arraybuffer={string:function(e){return o(new Uint8Array(e))},array:function(e){return s(new Uint8Array(e),new 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Error(e+" is not supported by this platform")},r.MAX_VALUE_16BITS=65535,r.MAX_VALUE_32BITS=-1,r.pretty=function(e){var t,r,n="";for(r=0;r<(e||"").length;r++)t=e.charCodeAt(r),n+="\\x"+(16>t?"0":"")+t.toString(16).toUpperCase();return n},r.delay=function(e,t,r){f(function(){e.apply(r||null,t||[])})},r.inherits=function(e,t){var r=function(){};r.prototype=t.prototype,e.prototype=new r},r.extend=function(){var e,t,r={};for(e=0;e<arguments.length;e++)for(t in arguments[e])arguments[e].hasOwnProperty(t)&&"undefined"==typeof r[t]&&(r[t]=arguments[e][t]);return r},r.prepareContent=function(e,t,i,a,o){var s=null;return s=l.blob&&t instanceof Blob&&"undefined"!=typeof FileReader?new h.Promise(function(e,r){var n=new FileReader;n.onload=function(t){e(t.target.result)},n.onerror=function(e){r(e.target.error)},n.readAsArrayBuffer(t)}):h.Promise.resolve(t),s.then(function(t){var s=r.getTypeOf(t);return s?("arraybuffer"===s?t=r.transformTo("uint8array",t):"string"===s&&(o?t=u.decode(t):i&&a!==!0&&(t=n(t))),t):h.Promise.reject(new Error("The data of '"+e+"' is in an unsupported format !"))})}},{"./base64":219,"./external":224,"./nodejsUtils":230,"./support":245,asap:1}],248:[function(e,t){"use strict";function r(e){this.files=[],this.loadOptions=e}var n=e("./reader/readerFor"),i=e("./utils"),a=e("./signature"),o=e("./zipEntry"),s=(e("./utf8"),e("./support"));r.prototype={checkSignature:function(e){if(!this.reader.readAndCheckSignature(e)){this.reader.index-=4;var t=this.reader.readString(4);throw new Error("Corrupted zip or bug : unexpected signature ("+i.pretty(t)+", expected "+i.pretty(e)+")")}},isSignature:function(e,t){var r=this.reader.index;this.reader.setIndex(e);var n=this.reader.readString(4),i=n===t;return this.reader.setIndex(r),i},readBlockEndOfCentral:function(){this.diskNumber=this.reader.readInt(2),this.diskWithCentralDirStart=this.reader.readInt(2),this.centralDirRecordsOnThisDisk=this.reader.readInt(2),this.centralDirRecords=this.reader.readInt(2),this.centralDirSize=this.reader.readInt(4),this.centralDirOffset=this.reader.readInt(4),this.zipCommentLength=this.reader.readInt(2);var e=this.reader.readData(this.zipCommentLength),t=s.uint8array?"uint8array":"array",r=i.transformTo(t,e);this.zipComment=this.loadOptions.decodeFileName(r)},readBlockZip64EndOfCentral:function(){this.zip64EndOfCentralSize=this.reader.readInt(8),this.reader.skip(4),this.diskNumber=this.reader.readInt(4),this.diskWithCentralDirStart=this.reader.readInt(4),this.centralDirRecordsOnThisDisk=this.reader.readInt(8),this.centralDirRecords=this.reader.readInt(8),this.centralDirSize=this.reader.readInt(8),this.centralDirOffset=this.reader.readInt(8),this.zip64ExtensibleData={};for(var e,t,r,n=this.zip64EndOfCentralSize-44,i=0;n>i;)e=this.reader.readInt(2),t=this.reader.readInt(4),r=this.reader.readData(t),this.zip64ExtensibleData[e]={id:e,length:t,value:r}},readBlockZip64EndOfCentralLocator:function(){if(this.diskWithZip64CentralDirStart=this.reader.readInt(4),this.relativeOffsetEndOfZip64CentralDir=this.reader.readInt(8),this.disksCount=this.reader.readInt(4),this.disksCount>1)throw new Error("Multi-volumes zip are not supported")},readLocalFiles:function(){var e,t;for(e=0;e<this.files.length;e++)t=this.files[e],this.reader.setIndex(t.localHeaderOffset),this.checkSignature(a.LOCAL_FILE_HEADER),t.readLocalPart(this.reader),t.handleUTF8(),t.processAttributes()},readCentralDir:function(){var e;for(this.reader.setIndex(this.centralDirOffset);this.reader.readAndCheckSignature(a.CENTRAL_FILE_HEADER);)e=new o({zip64:this.zip64},this.loadOptions),e.readCentralPart(this.reader),this.files.push(e);if(this.centralDirRecords!==this.files.length&&0!==this.centralDirRecords&&0===this.files.length)throw new Error("Corrupted zip or bug: expected "+this.centralDirRecords+" records in central dir, got "+this.files.length)},readEndOfCentral:function(){var e=this.reader.lastIndexOfSignature(a.CENTRAL_DIRECTORY_END);if(0>e){var t=!this.isSignature(0,a.LOCAL_FILE_HEADER);throw new Error(t?"Can't find end of central directory : is this a zip file ? 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locator");if(this.reader.setIndex(e),this.checkSignature(a.ZIP64_CENTRAL_DIRECTORY_LOCATOR),this.readBlockZip64EndOfCentralLocator(),!this.isSignature(this.relativeOffsetEndOfZip64CentralDir,a.ZIP64_CENTRAL_DIRECTORY_END)&&(this.relativeOffsetEndOfZip64CentralDir=this.reader.lastIndexOfSignature(a.ZIP64_CENTRAL_DIRECTORY_END),this.relativeOffsetEndOfZip64CentralDir<0))throw new Error("Corrupted zip : can't find the ZIP64 end of central directory");this.reader.setIndex(this.relativeOffsetEndOfZip64CentralDir),this.checkSignature(a.ZIP64_CENTRAL_DIRECTORY_END),this.readBlockZip64EndOfCentral()}var n=this.centralDirOffset+this.centralDirSize;this.zip64&&(n+=20,n+=12+this.zip64EndOfCentralSize);var o=r-n;if(o>0)this.isSignature(r,a.CENTRAL_FILE_HEADER)||(this.reader.zero=o);else if(0>o)throw new Error("Corrupted zip: missing "+Math.abs(o)+" bytes.")},prepareReader:function(e){this.reader=n(e)},load:function(e){this.prepareReader(e),this.readEndOfCentral(),this.readCentralDir(),this.readLocalFiles()}},t.exports=r},{"./reader/readerFor":237,"./signature":238,"./support":245,"./utf8":246,"./utils":247,"./zipEntry":249}],249:[function(e,t){"use strict";function r(e,t){this.options=e,this.loadOptions=t}var n=e("./reader/readerFor"),i=e("./utils"),a=e("./compressedObject"),o=e("./crc32"),s=e("./utf8"),l=e("./compressions"),u=e("./support"),c=0,f=3,h=function(e){for(var t in l)if(l.hasOwnProperty(t)&&l[t].magic===e)return l[t];return null};r.prototype={isEncrypted:function(){return 1===(1&this.bitFlag)},useUTF8:function(){return 2048===(2048&this.bitFlag)},readLocalPart:function(e){var t,r;if(e.skip(22),this.fileNameLength=e.readInt(2),r=e.readInt(2),this.fileName=e.readData(this.fileNameLength),e.skip(r),-1===this.compressedSize||-1===this.uncompressedSize)throw new Error("Bug or corrupted zip : didn't get enough informations from the central directory (compressedSize === -1 || uncompressedSize === -1)");if(t=h(this.compressionMethod),null===t)throw new Error("Corrupted zip : compression "+i.pretty(this.compressionMethod)+" unknown (inner file : "+i.transformTo("string",this.fileName)+")");this.decompressed=new a(this.compressedSize,this.uncompressedSize,this.crc32,t,e.readData(this.compressedSize))},readCentralPart:function(e){this.versionMadeBy=e.readInt(2),e.skip(2),this.bitFlag=e.readInt(2),this.compressionMethod=e.readString(2),this.date=e.readDate(),this.crc32=e.readInt(4),this.compressedSize=e.readInt(4),this.uncompressedSize=e.readInt(4);var t=e.readInt(2);if(this.extraFieldsLength=e.readInt(2),this.fileCommentLength=e.readInt(2),this.diskNumberStart=e.readInt(2),this.internalFileAttributes=e.readInt(2),this.externalFileAttributes=e.readInt(4),this.localHeaderOffset=e.readInt(4),this.isEncrypted())throw new Error("Encrypted zip are not supported");e.skip(t),this.readExtraFields(e),this.parseZIP64ExtraField(e),this.fileComment=e.readData(this.fileCommentLength)},processAttributes:function(){this.unixPermissions=null,this.dosPermissions=null;var e=this.versionMadeBy>>8;this.dir=16&this.externalFileAttributes?!0:!1,e===c&&(this.dosPermissions=63&this.externalFileAttributes),e===f&&(this.unixPermissions=this.externalFileAttributes>>16&65535),this.dir||"/"!==this.fileNameStr.slice(-1)||(this.dir=!0)},parseZIP64ExtraField:function(){if(this.extraFields[1]){var e=n(this.extraFields[1].value);this.uncompressedSize===i.MAX_VALUE_32BITS&&(this.uncompressedSize=e.readInt(8)),this.compressedSize===i.MAX_VALUE_32BITS&&(this.compressedSize=e.readInt(8)),this.localHeaderOffset===i.MAX_VALUE_32BITS&&(this.localHeaderOffset=e.readInt(8)),this.diskNumberStart===i.MAX_VALUE_32BITS&&(this.diskNumberStart=e.readInt(4))}},readExtraFields:function(e){var t,r,n,i=e.index+this.extraFieldsLength;for(this.extraFields||(this.extraFields={});e.index<i;)t=e.readInt(2),r=e.readInt(2),n=e.readData(r),this.extraFields[t]={id:t,length:r,value:n}},handleUTF8:function(){var e=u.uint8array?"uint8array":"array";if(this.useUTF8())this.fileNameStr=s.utf8decode(this.fileName),this.fileCommentStr=s.utf8decode(this.fileComment);else{var t=this.findExtraFieldUnicodePath();if(null!==t)this.fileNameStr=t;else{var r=i.transformTo(e,this.fileName);this.fileNameStr=this.loadOptions.decodeFileName(r)}var n=this.findExtraFieldUnicodeComment();if(null!==n)this.fileCommentStr=n;else{var a=i.transformTo(e,this.fileComment);this.fileCommentStr=this.loadOptions.decodeFileName(a)}}},findExtraFieldUnicodePath:function(){var e=this.extraFields[28789];if(e){var t=n(e.value);return 1!==t.readInt(1)?null:o(this.fileName)!==t.readInt(4)?null:s.utf8decode(t.readData(e.length-5))}return null},findExtraFieldUnicodeComment:function(){var e=this.extraFields[25461];if(e){var t=n(e.value);return 1!==t.readInt(1)?null:o(this.fileComment)!==t.readInt(4)?null:s.utf8decode(t.readData(e.length-5))}return null}},t.exports=r},{"./compressedObject":220,"./compressions":221,"./crc32":222,"./reader/readerFor":237,"./support":245,"./utf8":246,"./utils":247}],250:[function(e,t){"use strict";var r=e("./stream/StreamHelper"),n=e("./stream/DataWorker"),i=e("./utf8"),a=e("./compressedObject"),o=e("./stream/GenericWorker"),s=function(e,t,r){this.name=e,this.dir=r.dir,this.date=r.date,this.comment=r.comment,this.unixPermissions=r.unixPermissions,this.dosPermissions=r.dosPermissions,this._data=t,this._dataBinary=r.binary,this.options={compression:r.compression,compressionOptions:r.compressionOptions}};s.prototype={internalStream:function(e){var t=e.toLowerCase(),n="string"===t||"text"===t;("binarystring"===t||"text"===t)&&(t="string");var a=this._decompressWorker(),o=!this._dataBinary;return o&&!n&&(a=a.pipe(new i.Utf8EncodeWorker)),!o&&n&&(a=a.pipe(new i.Utf8DecodeWorker)),new r(a,t,"")},async:function(e,t){return this.internalStream(e).accumulate(t)},nodeStream:function(e,t){return this.internalStream(e||"nodebuffer").toNodejsStream(t)},_decompressWorker:function(){return this._data instanceof a?this._data.getContentWorker():this._data instanceof o?this._data:new n(this._data)}};for(var l=["asText","asBinary","asNodeBuffer","asUint8Array","asArrayBuffer"],u=function(){throw new Error("This method has been removed in JSZip 3.0, please check the upgrade guide.")},c=0;c<l.length;c++)s.prototype[l[c]]=u;t.exports=s},{"./compressedObject":220,"./stream/DataWorker":242,"./stream/GenericWorker":243,"./stream/StreamHelper":244,"./utf8":246}],251:[function(e,t,r){arguments[4][189][0].apply(r,arguments)},{dup:189}],252:[function(e,t){"use strict";function r(e){return this instanceof r?(l.call(this,e),u.call(this,e),e&&e.readable===!1&&(this.readable=!1),e&&e.writable===!1&&(this.writable=!1),this.allowHalfOpen=!0,e&&e.allowHalfOpen===!1&&(this.allowHalfOpen=!1),void this.once("end",n)):new r(e)}function n(){this.allowHalfOpen||this._writableState.ended||o(i,this)}function i(e){e.end()}var a=Object.keys||function(e){var t=[];for(var r in e)t.push(r);return t};t.exports=r;var o=e("process-nextick-args"),s=e("core-util-is");s.inherits=e("inherits");var l=e("./_stream_readable"),u=e("./_stream_writable");s.inherits(r,l);for(var c=a(u.prototype),f=0;f<c.length;f++){var h=c[f];r.prototype[h]||(r.prototype[h]=u.prototype[h])}},{"./_stream_readable":254,"./_stream_writable":256,"core-util-is":164,inherits:187,"process-nextick-args":278}],253:[function(e,t){"use strict";function r(e){return this instanceof r?void n.call(this,e):new r(e)}t.exports=r;var n=e("./_stream_transform"),i=e("core-util-is");i.inherits=e("inherits"),i.inherits(r,n),r.prototype._transform=function(e,t,r){r(null,e)}},{"./_stream_transform":255,"core-util-is":164,inherits:187}],254:[function(e,t){(function(r){"use strict";function n(t,r){N=N||e("./_stream_duplex"),t=t||{},this.objectMode=!!t.objectMode,r instanceof N&&(this.objectMode=this.objectMode||!!t.readableObjectMode);var n=t.highWaterMark,i=this.objectMode?16:16384;this.highWaterMark=n||0===n?n:i,this.highWaterMark=~~this.highWaterMark,this.buffer=[],this.length=0,this.pipes=null,this.pipesCount=0,this.flowing=null,this.ended=!1,this.endEmitted=!1,this.reading=!1,this.sync=!0,this.needReadable=!1,this.emittedReadable=!1,this.readableListening=!1,this.resumeScheduled=!1,this.defaultEncoding=t.defaultEncoding||"utf8",this.ranOut=!1,this.awaitDrain=0,this.readingMore=!1,this.decoder=null,this.encoding=null,t.encoding&&(P||(P=e("string_decoder/").StringDecoder),this.decoder=new 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m(e){return function(){var t=e._readableState;C("pipeOnDrain",t.awaitDrain),t.awaitDrain&&t.awaitDrain--,0===t.awaitDrain&&j(e,"data")&&(t.flowing=!0,y(e))}}function _(e){C("readable nexttick read 0"),e.read(0)}function g(e,t){t.resumeScheduled||(t.resumeScheduled=!0,T(v,e,t))}function v(e,t){t.reading||(C("resume read 0"),e.read(0)),t.resumeScheduled=!1,e.emit("resume"),y(e),t.flowing&&!t.reading&&e.read(0)}function y(e){var t=e._readableState;if(C("flow",t.flowing),t.flowing)do var r=e.read();while(null!==r&&t.flowing)}function b(e,t){var r,n=t.buffer,i=t.length,a=!!t.decoder,o=!!t.objectMode;if(0===n.length)return null;if(0===i)r=null;else if(o)r=n.shift();else if(!e||e>=i)r=a?n.join(""):1===n.length?n[0]:S.concat(n,i),n.length=0;else if(e<n[0].length){var s=n[0];r=s.slice(0,e),n[0]=s.slice(e)}else if(e===n[0].length)r=n.shift();else{r=a?"":new S(e);for(var l=0,u=0,c=n.length;c>u&&e>l;u++){var 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r.objectMode||"string"!=typeof e||(t=t||r.defaultEncoding,t!==r.encoding&&(e=new S(e,t),t="")),a(this,r,e,t,!1)},i.prototype.unshift=function(e){var t=this._readableState;return a(this,t,e,"",!0)},i.prototype.isPaused=function(){return this._readableState.flowing===!1},i.prototype.setEncoding=function(t){return P||(P=e("string_decoder/").StringDecoder),this._readableState.decoder=new P(t),this._readableState.encoding=t,this};var L=8388608;i.prototype.read=function(e){C("read",e);var t=this._readableState,r=e;if(("number"!=typeof e||e>0)&&(t.emittedReadable=!1),0===e&&t.needReadable&&(t.length>=t.highWaterMark||t.ended))return C("read: emitReadable",t.length,t.ended),0===t.length&&t.ended?x(this):f(this),null;if(e=l(e,t),0===e&&t.ended)return 0===t.length&&x(this),null;var n=t.needReadable;C("need readable",n),(0===t.length||t.length-e<t.highWaterMark)&&(n=!0,C("length less than watermark",n)),(t.ended||t.reading)&&(n=!1,C("reading or ended",n)),n&&(C("do 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this;if(1===t.pipesCount)return e&&e!==t.pipes?this:(e||(e=t.pipes),t.pipes=null,t.pipesCount=0,t.flowing=!1,e&&e.emit("unpipe",this),this);if(!e){var r=t.pipes,n=t.pipesCount;t.pipes=null,t.pipesCount=0,t.flowing=!1;for(var i=0;n>i;i++)r[i].emit("unpipe",this);return this}var a=A(t.pipes,e);return-1===a?this:(t.pipes.splice(a,1),t.pipesCount-=1,1===t.pipesCount&&(t.pipes=t.pipes[0]),e.emit("unpipe",this),this)},i.prototype.on=function(e,t){var r=R.prototype.on.call(this,e,t);if("data"===e&&!1!==this._readableState.flowing&&this.resume(),"readable"===e&&!this._readableState.endEmitted){var n=this._readableState;n.readableListening||(n.readableListening=!0,n.emittedReadable=!1,n.needReadable=!0,n.reading?n.length&&f(this,n):T(_,this))}return r},i.prototype.addListener=i.prototype.on,i.prototype.resume=function(){var e=this._readableState;return e.flowing||(C("resume"),e.flowing=!0,g(this,e)),this},i.prototype.pause=function(){return C("call pause 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M.Buf16(2*it+1),a(this.depth),this.l_buf=0,this.lit_bufsize=0,this.last_lit=0,this.d_buf=0,this.opt_len=0,this.static_len=0,this.matches=0,this.insert=0,this.bi_buf=0,this.bi_valid=0}function x(e){var t;return e&&e.state?(e.total_in=e.total_out=0,e.data_type=K,t=e.state,t.pending=0,t.pending_out=0,t.wrap<0&&(t.wrap=-t.wrap),t.status=t.wrap?dt:vt,e.adler=2===t.wrap?0:1,t.last_flush=L,z._tr_init(t),D):n(e,G)}function w(e){var t=x(e);return t===D&&y(e.state),t}function k(e,t){return e&&e.state?2!==e.state.wrap?G:(e.state.gzhead=t,D):G}function A(e,t,r,i,a,o){if(!e)return G;var s=1;if(t===q&&(t=6),0>i?(s=0,i=-i):i>15&&(s=2,i-=16),1>a||a>Q||r!==$||8>i||i>15||0>t||t>9||0>o||o>Y)return n(e,G);8===i&&(i=9);var l=new b;return e.state=l,l.strm=e,l.wrap=s,l.gzhead=null,l.w_bits=i,l.w_size=1<<l.w_bits,l.w_mask=l.w_size-1,l.hash_bits=a+7,l.hash_size=1<<l.hash_bits,l.hash_mask=l.hash_size-1,l.hash_shift=~~((l.hash_bits+ut-1)/ut),l.window=new M.Buf8(2*l.w_size),l.head=new 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s.status=gt;if(s.status===gt&&(s.gzhead.hcrc?(s.pending+2>s.pending_buf_size&&o(e),s.pending+2<=s.pending_buf_size&&(l(s,255&e.adler),l(s,e.adler>>8&255),e.adler=0,s.status=vt)):s.status=vt),0!==s.pending){if(o(e),0===e.avail_out)return s.last_flush=-1,D}else if(0===e.avail_in&&i(t)<=i(r)&&t!==F)return n(e,W);if(s.status===yt&&0!==e.avail_in)return n(e,W);if(0!==e.avail_in||0!==s.lookahead||t!==L&&s.status!==yt){var p=s.strategy===H?g(s,t):s.strategy===X?_(s,t):j[s.level].func(s,t);if((p===wt||p===kt)&&(s.status=yt),p===bt||p===wt)return 0===e.avail_out&&(s.last_flush=-1),D;if(p===xt&&(t===O?z._tr_align(s):t!==U&&(z._tr_stored_block(s,0,0,!1),t===I&&(a(s.head),0===s.lookahead&&(s.strstart=0,s.block_start=0,s.insert=0))),o(e),0===e.avail_out))return s.last_flush=-1,D}return t!==F?D:s.wrap<=0?B:(2===s.wrap?(l(s,255&e.adler),l(s,e.adler>>8&255),l(s,e.adler>>16&255),l(s,e.adler>>24&255),l(s,255&e.total_in),l(s,e.total_in>>8&255),l(s,e.total_in>>16&255),l(s,e.total_in>>24&255)):(u(s,e.adler>>>16),u(s,65535&e.adler)),o(e),s.wrap>0&&(s.wrap=-s.wrap),0!==s.pending?D:B)}function S(e){var t;return e&&e.state?(t=e.state.status,t!==dt&&t!==pt&&t!==mt&&t!==_t&&t!==gt&&t!==vt&&t!==yt?n(e,G):(e.state=null,t===vt?n(e,V):D)):G}function R(e,t){var r,n,i,o,s,l,u,c,f=t.length;if(!e||!e.state)return G;if(r=e.state,o=r.wrap,2===o||1===o&&r.status!==dt||r.lookahead)return G;for(1===o&&(e.adler=C(e.adler,t,f,0)),r.wrap=0,f>=r.w_size&&(0===o&&(a(r.head),r.strstart=0,r.block_start=0,r.insert=0),c=new M.Buf8(r.w_size),M.arraySet(c,t,f-r.w_size,r.w_size,0),t=c,f=r.w_size),s=e.avail_in,l=e.next_in,u=e.input,e.avail_in=f,e.next_in=0,e.input=t,h(r);r.lookahead>=ut;){n=r.strstart,i=r.lookahead-(ut-1);do r.ins_h=(r.ins_h<<r.hash_shift^r.window[n+ut-1])&r.hash_mask,r.prev[n&r.w_mask]=r.head[r.ins_h],r.head[r.ins_h]=n,n++;while(--i);r.strstart=n,r.lookahead=ut-1,h(r)}return r.strstart+=r.lookahead,r.block_start=r.strstart,r.insert=r.lookahead,r.lookahead=0,r.match_length=r.prev_length=ut-1,r.match_available=0,e.next_in=l,e.input=u,e.avail_in=s,r.wrap=o,D}var j,M=e("../utils/common"),z=e("./trees"),C=e("./adler32"),P=e("./crc32"),N=e("./messages"),L=0,O=1,I=3,F=4,U=5,D=0,B=1,G=-2,V=-3,W=-5,q=-1,Z=1,H=2,X=3,Y=4,J=0,K=2,$=8,Q=9,et=15,tt=8,rt=29,nt=256,it=nt+1+rt,at=30,ot=19,st=2*it+1,lt=15,ut=3,ct=258,ft=ct+ut+1,ht=32,dt=42,pt=69,mt=73,_t=91,gt=103,vt=113,yt=666,bt=1,xt=2,wt=3,kt=4,At=3;j=[new v(0,0,0,0,d),new v(4,4,8,4,p),new v(4,5,16,8,p),new v(4,6,32,32,p),new v(4,4,16,16,m),new v(8,16,32,32,m),new v(8,16,128,128,m),new v(8,32,128,256,m),new v(32,128,258,1024,m),new v(32,258,258,4096,m)],r.deflateInit=T,r.deflateInit2=A,r.deflateReset=w,r.deflateResetKeep=x,r.deflateSetHeader=k,r.deflate=E,r.deflateEnd=S,r.deflateSetDictionary=R,r.deflateInfo="pako deflate (from Nodeca project)"},{"../utils/common":262,"./adler32":264,"./crc32":266,"./messages":272,"./trees":273}],268:[function(e,t){"use strict";function r(){this.text=0,this.time=0,this.xflags=0,this.os=0,this.extra=null,this.extra_len=0,this.name="",this.comment="",this.hcrc=0,this.done=!1}t.exports=r},{}],269:[function(e,t){"use strict";var r=30,n=12;t.exports=function(e,t){var i,a,o,s,l,u,c,f,h,d,p,m,_,g,v,y,b,x,w,k,A,T,E,S,R;i=e.state,a=e.next_in,S=e.input,o=a+(e.avail_in-5),s=e.next_out,R=e.output,l=s-(t-e.avail_out),u=s+(e.avail_out-257),c=i.dmax,f=i.wsize,h=i.whave,d=i.wnext,p=i.window,m=i.hold,_=i.bits,g=i.lencode,v=i.distcode,y=(1<<i.lenbits)-1,b=(1<<i.distbits)-1;e:do{15>_&&(m+=S[a++]<<_,_+=8,m+=S[a++]<<_,_+=8),x=g[m&y];t:for(;;){if(w=x>>>24,m>>>=w,_-=w,w=x>>>16&255,0===w)R[s++]=65535&x;else{if(!(16&w)){if(0===(64&w)){x=g[(65535&x)+(m&(1<<w)-1)];continue t}if(32&w){i.mode=n;break e}e.msg="invalid literal/length code",i.mode=r;break e}k=65535&x,w&=15,w&&(w>_&&(m+=S[a++]<<_,_+=8),k+=m&(1<<w)-1,m>>>=w,_-=w),15>_&&(m+=S[a++]<<_,_+=8,m+=S[a++]<<_,_+=8),x=v[m&b];r:for(;;){if(w=x>>>24,m>>>=w,_-=w,w=x>>>16&255,!(16&w)){if(0===(64&w)){x=v[(65535&x)+(m&(1<<w)-1)];continue r}e.msg="invalid distance code",i.mode=r;break e}if(A=65535&x,w&=15,w>_&&(m+=S[a++]<<_,_+=8,w>_&&(m+=S[a++]<<_,_+=8)),A+=m&(1<<w)-1,A>c){e.msg="invalid distance too far back",i.mode=r;break e}if(m>>>=w,_-=w,w=s-l,A>w){if(w=A-w,w>h&&i.sane){e.msg="invalid distance too far back",i.mode=r;break e}if(T=0,E=p,0===d){if(T+=f-w,k>w){k-=w;do R[s++]=p[T++];while(--w);T=s-A,E=R}}else if(w>d){if(T+=f+d-w,w-=d,k>w){k-=w;do R[s++]=p[T++];while(--w);if(T=0,k>d){w=d,k-=w;do R[s++]=p[T++];while(--w);T=s-A,E=R}}}else if(T+=d-w,k>w){k-=w;do R[s++]=p[T++];while(--w);T=s-A,E=R}for(;k>2;)R[s++]=E[T++],R[s++]=E[T++],R[s++]=E[T++],k-=3;k&&(R[s++]=E[T++],k>1&&(R[s++]=E[T++]))}else{T=s-A;do R[s++]=R[T++],R[s++]=R[T++],R[s++]=R[T++],k-=3;while(k>2);k&&(R[s++]=R[T++],k>1&&(R[s++]=R[T++]))}break}}break}}while(o>a&&u>s);k=_>>3,a-=k,_-=k<<3,m&=(1<<_)-1,e.next_in=a,e.next_out=s,e.avail_in=o>a?5+(o-a):5-(a-o),e.avail_out=u>s?257+(u-s):257-(s-u),i.hold=m,i.bits=_}},{}],270:[function(e,t,r){"use strict";function n(e){return(e>>>24&255)+(e>>>8&65280)+((65280&e)<<8)+((255&e)<<24)}function i(){this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new v.Buf16(320),this.work=new v.Buf16(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0}function a(e){var t;return e&&e.state?(t=e.state,e.total_in=e.total_out=t.total=0,e.msg="",t.wrap&&(e.adler=1&t.wrap),t.mode=I,t.last=0,t.havedict=0,t.dmax=32768,t.head=null,t.hold=0,t.bits=0,t.lencode=t.lendyn=new v.Buf32(mt),t.distcode=t.distdyn=new v.Buf32(_t),t.sane=1,t.back=-1,j):C}function o(e){var t;return e&&e.state?(t=e.state,t.wsize=0,t.whave=0,t.wnext=0,a(e)):C}function s(e,t){var r,n;return 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B:if(1024&r.flags){for(;16>d;){if(0===l)break e;l--,h+=i[o++]<<d,d+=8}r.length=h,r.head&&(r.head.extra_len=h),512&r.flags&&(St[0]=255&h,St[1]=h>>>8&255,r.check=b(r.check,St,2,0)),h=0,d=0}else r.head&&(r.head.extra=null);r.mode=G;case G:if(1024&r.flags&&(_=r.length,_>l&&(_=l),_&&(r.head&&(wt=r.head.extra_len-r.length,r.head.extra||(r.head.extra=new Array(r.head.extra_len)),v.arraySet(r.head.extra,i,o,_,wt)),512&r.flags&&(r.check=b(r.check,i,_,o)),l-=_,o+=_,r.length-=_),r.length))break e;r.length=0,r.mode=V;case V:if(2048&r.flags){if(0===l)break e;_=0;do wt=i[o+_++],r.head&&wt&&r.length<65536&&(r.head.name+=String.fromCharCode(wt));while(wt&&l>_);if(512&r.flags&&(r.check=b(r.check,i,_,o)),l-=_,o+=_,wt)break e}else r.head&&(r.head.name=null);r.length=0,r.mode=W;case W:if(4096&r.flags){if(0===l)break e;_=0;do wt=i[o+_++],r.head&&wt&&r.length<65536&&(r.head.comment+=String.fromCharCode(wt));while(wt&&l>_);if(512&r.flags&&(r.check=b(r.check,i,_,o)),l-=_,o+=_,wt)break e}else r.head&&(r.head.comment=null);r.mode=q;case q:if(512&r.flags){for(;16>d;){if(0===l)break e;l--,h+=i[o++]<<d,d+=8}if(h!==(65535&r.check)){e.msg="header crc mismatch",r.mode=ht;break}h=0,d=0}r.head&&(r.head.hcrc=r.flags>>9&1,r.head.done=!0),e.adler=r.check=0,r.mode=X;break;case Z:for(;32>d;){if(0===l)break e;l--,h+=i[o++]<<d,d+=8}e.adler=r.check=n(h),h=0,d=0,r.mode=H;case H:if(0===r.havedict)return e.next_out=s,e.avail_out=u,e.next_in=o,e.avail_in=l,r.hold=h,r.bits=d,z;e.adler=r.check=1,r.mode=X;case X:if(t===S||t===R)break e;case Y:if(r.last){h>>>=7&d,d-=7&d,r.mode=ut;break}for(;3>d;){if(0===l)break e;l--,h+=i[o++]<<d,d+=8}switch(r.last=1&h,h>>>=1,d-=1,3&h){case 0:r.mode=J;break;case 1:if(c(r),r.mode=rt,t===R){h>>>=2,d-=2;break e}break;case 2:r.mode=Q;break;case 3:e.msg="invalid block type",r.mode=ht}h>>>=2,d-=2;break;case J:for(h>>>=7&d,d-=7&d;32>d;){if(0===l)break e;l--,h+=i[o++]<<d,d+=8}if((65535&h)!==(h>>>16^65535)){e.msg="invalid stored block 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e;l--,h+=i[o++]<<d,d+=8}if(16>vt)h>>>=_t,d-=_t,r.lens[r.have++]=vt;else{if(16===vt){for(Tt=_t+2;Tt>d;){if(0===l)break e;l--,h+=i[o++]<<d,d+=8}if(h>>>=_t,d-=_t,0===r.have){e.msg="invalid bit length repeat",r.mode=ht;break}wt=r.lens[r.have-1],_=3+(3&h),h>>>=2,d-=2}else if(17===vt){for(Tt=_t+3;Tt>d;){if(0===l)break e;l--,h+=i[o++]<<d,d+=8}h>>>=_t,d-=_t,wt=0,_=3+(7&h),h>>>=3,d-=3}else{for(Tt=_t+7;Tt>d;){if(0===l)break e;l--,h+=i[o++]<<d,d+=8}h>>>=_t,d-=_t,wt=0,_=11+(127&h),h>>>=7,d-=7}if(r.have+_>r.nlen+r.ndist){e.msg="invalid bit length repeat",r.mode=ht;break}for(;_--;)r.lens[r.have++]=wt}}if(r.mode===ht)break;if(0===r.lens[256]){e.msg="invalid code -- missing end-of-block",r.mode=ht;break}if(r.lenbits=9,At={bits:r.lenbits},kt=w(A,r.lens,0,r.nlen,r.lencode,0,r.work,At),r.lenbits=At.bits,kt){e.msg="invalid literal/lengths set",r.mode=ht;break}if(r.distbits=6,r.distcode=r.distdyn,At={bits:r.distbits},kt=w(T,r.lens,r.nlen,r.ndist,r.distcode,0,r.work,At),r.distbits=At.bits,kt){e.msg="invalid distances set",r.mode=ht;break}if(r.mode=rt,t===R)break e;case rt:r.mode=nt;case nt:if(l>=6&&u>=258){e.next_out=s,e.avail_out=u,e.next_in=o,e.avail_in=l,r.hold=h,r.bits=d,x(e,m),s=e.next_out,a=e.output,u=e.avail_out,o=e.next_in,i=e.input,l=e.avail_in,h=r.hold,d=r.bits,r.mode===X&&(r.back=-1);break}for(r.back=0;Et=r.lencode[h&(1<<r.lenbits)-1],_t=Et>>>24,gt=Et>>>16&255,vt=65535&Et,!(d>=_t);){if(0===l)break e;l--,h+=i[o++]<<d,d+=8}if(gt&&0===(240&gt)){for(yt=_t,bt=gt,xt=vt;Et=r.lencode[xt+((h&(1<<yt+bt)-1)>>yt)],_t=Et>>>24,gt=Et>>>16&255,vt=65535&Et,!(d>=yt+_t);){if(0===l)break e;l--,h+=i[o++]<<d,d+=8}h>>>=yt,d-=yt,r.back+=yt}if(h>>>=_t,d-=_t,r.back+=_t,r.length=vt,0===gt){r.mode=lt;break}if(32&gt){r.back=-1,r.mode=X;break}if(64&gt){e.msg="invalid literal/length code",r.mode=ht;break}r.extra=15&gt,r.mode=it;case it:if(r.extra){for(Tt=r.extra;Tt>d;){if(0===l)break e;l--,h+=i[o++]<<d,d+=8}r.length+=h&(1<<r.extra)-1,h>>>=r.extra,d-=r.extra,r.back+=r.extra}r.was=r.length,r.mode=at;case at:for(;Et=r.distcode[h&(1<<r.distbits)-1],_t=Et>>>24,gt=Et>>>16&255,vt=65535&Et,!(d>=_t);){if(0===l)break e;l--,h+=i[o++]<<d,d+=8}if(0===(240&gt)){for(yt=_t,bt=gt,xt=vt;Et=r.distcode[xt+((h&(1<<yt+bt)-1)>>yt)],_t=Et>>>24,gt=Et>>>16&255,vt=65535&Et,!(d>=yt+_t);){if(0===l)break e;l--,h+=i[o++]<<d,d+=8}h>>>=yt,d-=yt,r.back+=yt}if(h>>>=_t,d-=_t,r.back+=_t,64&gt){e.msg="invalid distance code",r.mode=ht;break}r.offset=vt,r.extra=15&gt,r.mode=ot;case ot:if(r.extra){for(Tt=r.extra;Tt>d;){if(0===l)break e;l--,h+=i[o++]<<d,d+=8}r.offset+=h&(1<<r.extra)-1,h>>>=r.extra,d-=r.extra,r.back+=r.extra}if(r.offset>r.dmax){e.msg="invalid distance too far back",r.mode=ht;break}r.mode=st;case st:if(0===u)break e;if(_=m-u,r.offset>_){if(_=r.offset-_,_>r.whave&&r.sane){e.msg="invalid distance too far back",r.mode=ht;break}_>r.wnext?(_-=r.wnext,g=r.wsize-_):g=r.wnext-_,_>r.length&&(_=r.length),mt=r.window}else mt=a,g=s-r.offset,_=r.length;_>u&&(_=u),u-=_,r.length-=_;do a[s++]=mt[g++];while(--_);0===r.length&&(r.mode=nt);break;case lt:if(0===u)break e;a[s++]=r.length,u--,r.mode=nt;break;case ut:if(r.wrap){for(;32>d;){if(0===l)break e;l--,h|=i[o++]<<d,d+=8}if(m-=u,e.total_out+=m,r.total+=m,m&&(e.adler=r.check=r.flags?b(r.check,a,m,s-m):y(r.check,a,m,s-m)),m=u,(r.flags?h:n(h))!==r.check){e.msg="incorrect data check",r.mode=ht;break}h=0,d=0}r.mode=ct;case ct:if(r.wrap&&r.flags){for(;32>d;){if(0===l)break e;l--,h+=i[o++]<<d,d+=8}if(h!==(4294967295&r.total)){e.msg="incorrect length check",r.mode=ht;break}h=0,d=0}r.mode=ft;case ft:kt=M;break e;case ht:kt=P;break e;case dt:return N;case pt:default:return C}return e.next_out=s,e.avail_out=u,e.next_in=o,e.avail_in=l,r.hold=h,r.bits=d,(r.wsize||m!==e.avail_out&&r.mode<ht&&(r.mode<ut||t!==E))&&f(e,e.output,e.next_out,m-e.avail_out)?(r.mode=dt,N):(p-=e.avail_in,m-=e.avail_out,e.total_in+=p,e.total_out+=m,r.total+=m,r.wrap&&m&&(e.adler=r.check=r.flags?b(r.check,a,m,e.next_out-m):y(r.check,a,m,e.next_out-m)),e.data_type=r.bits+(r.last?64:0)+(r.mode===X?128:0)+(r.mode===rt||r.mode===K?256:0),(0===p&&0===m||t===E)&&kt===j&&(kt=L),kt)}function d(e){if(!e||!e.state)return C;var t=e.state;return t.window&&(t.window=null),e.state=null,j}function p(e,t){var r;return e&&e.state?(r=e.state,0===(2&r.wrap)?C:(r.head=t,t.done=!1,j)):C}function m(e,t){var r,n,i,a=t.length;return e&&e.state?(r=e.state,0!==r.wrap&&r.mode!==H?C:r.mode===H&&(n=1,n=y(n,t,a,0),n!==r.check)?P:(i=f(e,t,a,a))?(r.mode=dt,N):(r.havedict=1,j)):C}var _,g,v=e("../utils/common"),y=e("./adler32"),b=e("./crc32"),x=e("./inffast"),w=e("./inftrees"),k=0,A=1,T=2,E=4,S=5,R=6,j=0,M=1,z=2,C=-2,P=-3,N=-4,L=-5,O=8,I=1,F=2,U=3,D=4,B=5,G=6,V=7,W=8,q=9,Z=10,H=11,X=12,Y=13,J=14,K=15,$=16,Q=17,et=18,tt=19,rt=20,nt=21,it=22,at=23,ot=24,st=25,lt=26,ut=27,ct=28,ft=29,ht=30,dt=31,pt=32,mt=852,_t=592,gt=15,vt=gt,yt=!0;r.inflateReset=o,r.inflateReset2=s,r.inflateResetKeep=a,r.inflateInit=u,r.inflateInit2=l,r.inflate=h,r.inflateEnd=d,r.inflateGetHeader=p,r.inflateSetDictionary=m,r.inflateInfo="pako inflate (from Nodeca project)"},{"../utils/common":262,"./adler32":264,"./crc32":266,"./inffast":269,"./inftrees":271}],271:[function(e,t){"use strict";var r=e("../utils/common"),n=15,i=852,a=592,o=0,s=1,l=2,u=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0],c=[16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78],f=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0],h=[16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64];t.exports=function(e,t,d,p,m,_,g,v){var y,b,x,w,k,A,T,E,S,R=v.bits,j=0,M=0,z=0,C=0,P=0,N=0,L=0,O=0,I=0,F=0,U=null,D=0,B=new r.Buf16(n+1),G=new r.Buf16(n+1),V=null,W=0;for(j=0;n>=j;j++)B[j]=0;for(M=0;p>M;M++)B[t[d+M]]++;for(P=R,C=n;C>=1&&0===B[C];C--);if(P>C&&(P=C),0===C)return m[_++]=20971520,m[_++]=20971520,v.bits=1,0;for(z=1;C>z&&0===B[z];z++);for(z>P&&(P=z),O=1,j=1;n>=j;j++)if(O<<=1,O-=B[j],0>O)return-1;if(O>0&&(e===o||1!==C))return-1;for(G[1]=0,j=1;n>j;j++)G[j+1]=G[j]+B[j];for(M=0;p>M;M++)0!==t[d+M]&&(g[G[t[d+M]]++]=M);if(e===o?(U=V=g,A=19):e===s?(U=u,D-=257,V=c,W-=257,A=256):(U=f,V=h,A=-1),F=0,M=0,j=z,k=_,N=P,L=0,x=-1,I=1<<P,w=I-1,e===s&&I>i||e===l&&I>a)return 1;for(var q=0;;){q++,T=j-L,g[M]<A?(E=0,S=g[M]):g[M]>A?(E=V[W+g[M]],S=U[D+g[M]]):(E=96,S=0),y=1<<j-L,b=1<<N,z=b;do b-=y,m[k+(F>>L)+b]=T<<24|E<<16|S|0;while(0!==b);for(y=1<<j-1;F&y;)y>>=1;if(0!==y?(F&=y-1,F+=y):F=0,M++,0===--B[j]){if(j===C)break;j=t[d+g[M]]}if(j>P&&(F&w)!==x){for(0===L&&(L=P),k+=z,N=j-L,O=1<<N;C>N+L&&(O-=B[N+L],!(0>=O));)N++,O<<=1;if(I+=1<<N,e===s&&I>i||e===l&&I>a)return 1;x=F&w,m[x]=P<<24|N<<16|k-_|0}}return 0!==F&&(m[k+F]=j-L<<24|64<<16|0),v.bits=P,0}},{"../utils/common":262}],272:[function(e,t){"use strict";t.exports={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"}},{}],273:[function(e,t,r){"use strict";function n(e){for(var t=e.length;--t>=0;)e[t]=0}function i(e,t,r,n,i){this.static_tree=e,this.extra_bits=t,this.extra_base=r,this.elems=n,this.max_length=i,this.has_stree=e&&e.length}function a(e,t){this.dyn_tree=e,this.max_code=0,this.stat_desc=t}function o(e){return 256>e?lt[e]:lt[256+(e>>>7)]}function s(e,t){e.pending_buf[e.pending++]=255&t,e.pending_buf[e.pending++]=t>>>8&255}function l(e,t,r){e.bi_valid>Y-r?(e.bi_buf|=t<<e.bi_valid&65535,s(e,e.bi_buf),e.bi_buf=t>>Y-e.bi_valid,e.bi_valid+=r-Y):(e.bi_buf|=t<<e.bi_valid&65535,e.bi_valid+=r)}function u(e,t,r){l(e,r[2*t],r[2*t+1])}function c(e,t){var r=0;do r|=1&e,e>>>=1,r<<=1;while(--t>0);return r>>>1}function f(e){16===e.bi_valid?(s(e,e.bi_buf),e.bi_buf=0,e.bi_valid=0):e.bi_valid>=8&&(e.pending_buf[e.pending++]=255&e.bi_buf,e.bi_buf>>=8,e.bi_valid-=8)}function h(e,t){var r,n,i,a,o,s,l=t.dyn_tree,u=t.max_code,c=t.stat_desc.static_tree,f=t.stat_desc.has_stree,h=t.stat_desc.extra_bits,d=t.stat_desc.extra_base,p=t.stat_desc.max_length,m=0;for(a=0;X>=a;a++)e.bl_count[a]=0;for(l[2*e.heap[e.heap_max]+1]=0,r=e.heap_max+1;H>r;r++)n=e.heap[r],a=l[2*l[2*n+1]+1]+1,a>p&&(a=p,m++),l[2*n+1]=a,n>u||(e.bl_count[a]++,o=0,n>=d&&(o=h[n-d]),s=l[2*n],e.opt_len+=s*(a+o),f&&(e.static_len+=s*(c[2*n+1]+o)));if(0!==m){do{for(a=p-1;0===e.bl_count[a];)a--;e.bl_count[a]--,e.bl_count[a+1]+=2,e.bl_count[p]--,m-=2}while(m>0);for(a=p;0!==a;a--)for(n=e.bl_count[a];0!==n;)i=e.heap[--r],i>u||(l[2*i+1]!==a&&(e.opt_len+=(a-l[2*i+1])*l[2*i],l[2*i+1]=a),n--)}}function d(e,t,r){var n,i,a=new Array(X+1),o=0;for(n=1;X>=n;n++)a[n]=o=o+r[n-1]<<1;for(i=0;t>=i;i++){var s=e[2*i+1];0!==s&&(e[2*i]=c(a[s]++,s))}}function p(){var e,t,r,n,a,o=new Array(X+1);for(r=0,n=0;G-1>n;n++)for(ct[n]=r,e=0;e<1<<tt[n];e++)ut[r++]=n;for(ut[r-1]=n,a=0,n=0;16>n;n++)for(ft[n]=a,e=0;e<1<<rt[n];e++)lt[a++]=n;for(a>>=7;q>n;n++)for(ft[n]=a<<7,e=0;e<1<<rt[n]-7;e++)lt[256+a++]=n;for(t=0;X>=t;t++)o[t]=0;for(e=0;143>=e;)ot[2*e+1]=8,e++,o[8]++;for(;255>=e;)ot[2*e+1]=9,e++,o[9]++;for(;279>=e;)ot[2*e+1]=7,e++,o[7]++;for(;287>=e;)ot[2*e+1]=8,e++,o[8]++;for(d(ot,W+1,o),e=0;q>e;e++)st[2*e+1]=5,st[2*e]=c(e,5);ht=new i(ot,tt,V+1,W,X),dt=new i(st,rt,0,q,X),pt=new i(new Array(0),nt,0,Z,J)}function m(e){var t;for(t=0;W>t;t++)e.dyn_ltree[2*t]=0;for(t=0;q>t;t++)e.dyn_dtree[2*t]=0;for(t=0;Z>t;t++)e.bl_tree[2*t]=0;e.dyn_ltree[2*K]=1,e.opt_len=e.static_len=0,e.last_lit=e.matches=0}function _(e){e.bi_valid>8?s(e,e.bi_buf):e.bi_valid>0&&(e.pending_buf[e.pending++]=e.bi_buf),e.bi_buf=0,e.bi_valid=0}function g(e,t,r,n){_(e),n&&(s(e,r),s(e,~r)),C.arraySet(e.pending_buf,e.window,t,r,e.pending),e.pending+=r}function v(e,t,r,n){var i=2*t,a=2*r;return e[i]<e[a]||e[i]===e[a]&&n[t]<=n[r]}function y(e,t,r){for(var n=e.heap[r],i=r<<1;i<=e.heap_len&&(i<e.heap_len&&v(t,e.heap[i+1],e.heap[i],e.depth)&&i++,!v(t,n,e.heap[i],e.depth));)e.heap[r]=e.heap[i],r=i,i<<=1;e.heap[r]=n}function b(e,t,r){var n,i,a,s,c=0;if(0!==e.last_lit)do n=e.pending_buf[e.d_buf+2*c]<<8|e.pending_buf[e.d_buf+2*c+1],i=e.pending_buf[e.l_buf+c],c++,0===n?u(e,i,t):(a=ut[i],u(e,a+V+1,t),s=tt[a],0!==s&&(i-=ct[a],l(e,i,s)),n--,a=o(n),u(e,a,r),s=rt[a],0!==s&&(n-=ft[a],l(e,n,s)));while(c<e.last_lit);u(e,K,t)}function x(e,t){var r,n,i,a=t.dyn_tree,o=t.stat_desc.static_tree,s=t.stat_desc.has_stree,l=t.stat_desc.elems,u=-1;for(e.heap_len=0,e.heap_max=H,r=0;l>r;r++)0!==a[2*r]?(e.heap[++e.heap_len]=u=r,e.depth[r]=0):a[2*r+1]=0;for(;e.heap_len<2;)i=e.heap[++e.heap_len]=2>u?++u:0,a[2*i]=1,e.depth[i]=0,e.opt_len--,s&&(e.static_len-=o[2*i+1]);for(t.max_code=u,r=e.heap_len>>1;r>=1;r--)y(e,a,r);i=l;do r=e.heap[1],e.heap[1]=e.heap[e.heap_len--],y(e,a,1),n=e.heap[1],e.heap[--e.heap_max]=r,e.heap[--e.heap_max]=n,a[2*i]=a[2*r]+a[2*n],e.depth[i]=(e.depth[r]>=e.depth[n]?e.depth[r]:e.depth[n])+1,a[2*r+1]=a[2*n+1]=i,e.heap[1]=i++,y(e,a,1);while(e.heap_len>=2);e.heap[--e.heap_max]=e.heap[1],h(e,t),d(a,u,e.bl_count)}function w(e,t,r){var n,i,a=-1,o=t[1],s=0,l=7,u=4;for(0===o&&(l=138,u=3),t[2*(r+1)+1]=65535,n=0;r>=n;n++)i=o,o=t[2*(n+1)+1],++s<l&&i===o||(u>s?e.bl_tree[2*i]+=s:0!==i?(i!==a&&e.bl_tree[2*i]++,e.bl_tree[2*$]++):10>=s?e.bl_tree[2*Q]++:e.bl_tree[2*et]++,s=0,a=i,0===o?(l=138,u=3):i===o?(l=6,u=3):(l=7,u=4))}function k(e,t,r){var n,i,a=-1,o=t[1],s=0,c=7,f=4;for(0===o&&(c=138,f=3),n=0;r>=n;n++)if(i=o,o=t[2*(n+1)+1],!(++s<c&&i===o)){if(f>s){do u(e,i,e.bl_tree);while(0!==--s)}else 0!==i?(i!==a&&(u(e,i,e.bl_tree),s--),u(e,$,e.bl_tree),l(e,s-3,2)):10>=s?(u(e,Q,e.bl_tree),l(e,s-3,3)):(u(e,et,e.bl_tree),l(e,s-11,7));s=0,a=i,0===o?(c=138,f=3):i===o?(c=6,f=3):(c=7,f=4)}}function A(e){var t;for(w(e,e.dyn_ltree,e.l_desc.max_code),w(e,e.dyn_dtree,e.d_desc.max_code),x(e,e.bl_desc),t=Z-1;t>=3&&0===e.bl_tree[2*it[t]+1];t--);return e.opt_len+=3*(t+1)+5+5+4,t}function T(e,t,r,n){var i;for(l(e,t-257,5),l(e,r-1,5),l(e,n-4,4),i=0;n>i;i++)l(e,e.bl_tree[2*it[i]+1],3);k(e,e.dyn_ltree,t-1),k(e,e.dyn_dtree,r-1)}function E(e){var t,r=4093624447;for(t=0;31>=t;t++,r>>>=1)if(1&r&&0!==e.dyn_ltree[2*t])return N;if(0!==e.dyn_ltree[18]||0!==e.dyn_ltree[20]||0!==e.dyn_ltree[26])return L;for(t=32;V>t;t++)if(0!==e.dyn_ltree[2*t])return L;return N}function S(e){mt||(p(),mt=!0),e.l_desc=new a(e.dyn_ltree,ht),e.d_desc=new a(e.dyn_dtree,dt),e.bl_desc=new a(e.bl_tree,pt),e.bi_buf=0,e.bi_valid=0,m(e)}function R(e,t,r,n){l(e,(I<<1)+(n?1:0),3),g(e,t,r,!0)}function j(e){l(e,F<<1,3),u(e,K,ot),f(e)}function M(e,t,r,n){var 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e=this.view.size.css.height*this.view.meters_per_pixel,t=this.constrainCamera({view_height:e,focal_length:g.default.interpolate(this.view.zoom,this.focal_length),fov:g.default.interpolate(this.view.zoom,this.fov)}),r=t.height,n=t.fov,i=[this.view.center.meters.x,this.view.center.meters.y,r];this.position_meters=i,b.mat4.lookAt(this.view_matrix,b.vec3.fromValues(i[0],i[1],0),b.vec3.fromValues(i[0],i[1],-1),b.vec3.fromValues(0,1,0)),b.mat4.perspective(this.projection_matrix,n,this.view.aspect,1,2*r),this.vanishing_point_skew[0]=this.vanishing_point[0]/this.view.size.css.width,this.vanishing_point_skew[1]=this.vanishing_point[1]/this.view.size.css.height,this.projection_matrix[8]=2*-this.vanishing_point_skew[0],this.projection_matrix[9]=2*-this.vanishing_point_skew[1],b.mat4.translate(this.projection_matrix,this.projection_matrix,b.vec3.fromValues(e/2*this.view.aspect*2*-this.vanishing_point_skew[0],e/2*2*-this.vanishing_point_skew[1],0)),b.mat4.translate(this.projection_matrix,this.projection_matrix,b.vec3.fromValues(0,0,-r))}},{key:"update",value:function(){u.default(a.default(t.prototype),"update",this).call(this),this.updateMatrices()}},{key:"setupProgram",value:function(e){e.uniform("Matrix4fv","u_projection",this.projection_matrix),e.uniform("3f","u_eye",[0,0,this.position_meters[2]]),e.uniform("2fv","u_vanishing_point",this.vanishing_point_skew)}}]),t}(x),k=function(e){function 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100. + 1. - 0.001;\n            }"),i}return f.default(t,e),m.default(t,[{key:"update",value:function(){u.default(a.default(t.prototype),"update",this).call(this),this.viewport_height=this.view.size.css.height*this.view.meters_per_pixel;var e=[this.view.center.meters.x,this.view.center.meters.y,this.viewport_height];this.position_meters=e,b.mat4.identity(this.view_matrix),b.mat4.translate(this.view_matrix,this.view_matrix,b.vec3.fromValues(-e[0],-e[1],0)),b.mat4.identity(this.projection_matrix),this.projection_matrix[8]=this.axis.x/this.view.aspect,this.projection_matrix[9]=this.axis.y,b.mat4.scale(this.projection_matrix,this.projection_matrix,b.vec3.fromValues(2/this.view.size.meters.x,2/this.view.size.meters.y,2/this.view.size.meters.y))}},{key:"setupProgram",value:function(e){e.uniform("Matrix4fv","u_projection",this.projection_matrix),e.uniform("3fv","u_eye",[0,0,this.viewport_height]),e.uniform("2fv","u_vanishing_point",[0,0])}}]),t}(x),A=function(e){function t(e,r){var n=arguments.length<=2||void 0===arguments[2]?{}:arguments[2];d.default(this,t);var i=s.default(this,a.default(t).call(this,e,r,n));return i.type="flat",i}return f.default(t,e),m.default(t,[{key:"update",value:function(){this.axis.x=0,this.axis.y=0,u.default(a.default(t.prototype),"update",this).call(this)}}]),t}(k)},{"./gl/shader_program":305,"./utils/gl-matrix":351,"./utils/utils":358,"babel-runtime/core-js/object/get-prototype-of":14,"babel-runtime/helpers/classCallCheck":21,"babel-runtime/helpers/createClass":22,"babel-runtime/helpers/get":24,"babel-runtime/helpers/inherits":25,"babel-runtime/helpers/possibleConstructorReturn":26}],299:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0});var 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r=l.default(e,2),n=r[0],a=r[1];return{x:Math.floor((n+i.half_circumference_meters)/(i.circumference_meters/Math.pow(2,t))),y:Math.floor((-a+i.half_circumference_meters)/(i.circumference_meters/Math.pow(2,t))),z:t}},i.wrapTile=function(e){var t=e.x,r=e.y,n=e.z,i=arguments.length<=1||void 0===arguments[1]?{x:!0,y:!1}:arguments[1],a=(1<<n)-1;return i.x&&(t&=a),i.y&&(r&=a),{x:t,y:r,z:n}},i.metersToLatLng=function(e){var t=l.default(e,2),r=t[0],n=t[1];return r/=i.half_circumference_meters,n/=i.half_circumference_meters,n=(2*Math.atan(Math.exp(n*Math.PI))-Math.PI/2)/Math.PI,r*=180,n*=180,[r,n]},i.latLngToMeters=function(e){var t=l.default(e,2),r=t[0],n=t[1];return n=Math.log(Math.tan(n*Math.PI/360+Math.PI/4))/Math.PI,n*=i.half_circumference_meters,r*=i.half_circumference_meters/180,[r,n]},i.wrapLng=function(e){return(e>180||-180>e)&&(e=((e+180)%360+360)%360-180),e},i.transformGeometry=function(e,t){null!=e&&("Point"===e.type?t(e.coordinates):"LineString"===e.type||"MultiPoint"===e.type?e.coordinates.forEach(t):"Polygon"===e.type||"MultiLineString"===e.type?e.coordinates.forEach(function(e){return e.forEach(t)}):"MultiPolygon"===e.type&&e.coordinates.forEach(function(e){e.forEach(function(e){return e.forEach(t)})}))},i.boxIntersect=function(e,t){return!(t.sw.x>e.ne.x||t.ne.x<e.sw.x||t.sw.y>e.ne.y||t.ne.y<e.sw.y)},i.findBoundingBox=function(e){for(var t=1/0,r=-1/0,n=1/0,i=-1/0,a=e[0].length,o=0;a>o;o++){var s=e[0][o];s[0]<t&&(t=s[0]),s[1]<n&&(n=s[1]),s[0]>r&&(r=s[0]),s[1]>i&&(i=s[1])}return[t,n,r,i]},i.geometryType=function(e){return"Polygon"===e||"MultiPolygon"===e?"polygon":"LineString"===e||"MultiLineString"===e?"line":"Point"===e||"MultiPoint"===e?"point":void 0},i.centroid=function(e){for(var t=0,r=0,n=0,i=e[0],a=i.length,o=0,s=a-1;a>o;s=o,o++){var l=i[o],u=i[s],c=l[1]*u[0]-u[1]*l[0];t+=(l[0]+u[0])*c,r+=(l[1]+u[1])*c,n+=3*c}return[t/n,r/n]},i.multiCentroid=function(e){for(var t=e.length,r=[0,0],n=0;n<e.length;n++){var a=i.centroid(e[n]);r[0]+=a[0],r[1]+=a[1]}return r[0]/=t,r[1]/=t,r},i.signedPolygonRingAreaSum=function(e){for(var t=0,r=e.length,n=0;r-1>n;n++){var i=e[n],a=e[n+1];t+=i[0]*a[1]-a[0]*i[1]}return t+=e[r-1][0]*e[0][1]-e[0][0]*e[r-1][1]},i.polygonRingArea=function(e){return Math.abs(i.signedPolygonRingAreaSum(e))/2},i.polygonArea=function(e){return i.polygonRingArea(e[0])},i.multiPolygonArea=function(e){for(var t=0,r=0;r<e.length;r++)t+=i.polygonArea(e[r]);return t},i.ringWinding=function(e){var t=i.signedPolygonRingAreaSum(e);return t>0?"CW":0>t?"CCW":void 0},i.enforceWinding=function(e,t){var r=void 0;if("Polygon"===e.type)r=[e.coordinates];else{if("MultiPolygon"!==e.type)return e;
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d.default(e,[{key:"destroy",value:function(){this.gl.useProgram(null),this.gl.deleteProgram(this.program),this.program=null,this.uniforms={},this.attribs={},delete e.programs[this.id],this.compiled=!1}},{key:"use",value:function(){this.compiled&&(e.current!==this&&this.gl.useProgram(this.program),e.current=this)}},{key:"compile",value:function(){if(this.compiling)throw new Error("ShaderProgram.compile(): skipping for "+this.id+" ("+this.name+") because already compiling");this.compiling=!0,this.compiled=!1,this.error=null,this.computed_vertex_source=this.vertex_source,this.computed_fragment_source=this.fragment_source;var t,r=this.checkExtensions(),n=this.buildDefineList(),i=this.buildShaderBlockList();for(var a in i){var o=i[a];if(o&&(!Array.isArray(o)||0!==o.length)){t=new RegExp("^\\s*#pragma\\s+tangram:\\s+"+a+"\\s*$","m");var l=this.computed_vertex_source.match(t),u=this.computed_fragment_source.match(t);if(null!=l||null!=u){var c="";o.forEach(function(e){var t=e.scope+", 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t=e.program||m.default.current;t.use(),this.uniforms&&(t.saveUniforms(this.uniforms),t.setUniforms(this.uniforms,!1));var r=(+new Date-this.created_at)/1e3;return t.uniform("1f","u_visible_time",r),this.bind(t),this.toggle_element_array?this.gl.drawElements(this.draw_mode,this.element_count,this.element_type,0):this.gl.drawArrays(this.draw_mode,0,this.vertex_count),g.default.bind(this.gl,null),this.uniforms&&t.restoreUniforms(this.uniforms),r<this.fade_in_time}},{key:"bind",value:function(e){var t=this,r=this.vaos.get(e);r?g.default.bind(this.gl,r):this.vaos.set(e,g.default.create(this.gl,function(r){t.gl.bindBuffer(t.gl.ARRAY_BUFFER,t.vertex_buffer),t.toggle_element_array&&t.gl.bindBuffer(t.gl.ELEMENT_ARRAY_BUFFER,t.element_buffer),t.vertex_layout.enable(t.gl,e,r)}))}},{key:"destroy",value:function(){if(!this.valid)return!1;this.valid=!1;var e=!0,t=!1,r=void 0;try{for(var n,i=a.default(this.vaos.values());!(e=(n=i.next()).done);e=!0){var o=n.value;g.default.destroy(this.gl,o)}}catch(s){t=!0,r=s}finally{try{!e&&i.return&&i.return()}finally{if(t)throw r}}return d.default("trace","VBOMesh.destroy: delete buffer"+(this.vertex_data?" of size "+this.vertex_data.byteLength:"")),this.gl.deleteBuffer(this.vertex_buffer),this.vertex_buffer=null,this.element_buffer&&(this.gl.deleteBuffer(this.element_buffer),this.element_buffer=null),delete this.vertex_data,delete this.element_data,!0}}]),e}();r.default=v},{"../utils/log":352,"./shader_program":305,"./vao":307,"babel-runtime/core-js/get-iterator":4,"babel-runtime/core-js/map":7,"babel-runtime/helpers/classCallCheck":21,"babel-runtime/helpers/createClass":22}],309:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0});
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b.default,e.array_pool.length>0?(this.vertex_buffer=e.array_pool.pop(),this.byte_length=this.vertex_buffer.byteLength,this.size=Math.floor(this.byte_length/this.vertex_layout.stride),v.default("trace","VertexData: reused buffer of bytes "+this.byte_length+", "+this.size+" vertices")):(this.size=i,this.byte_length=this.vertex_layout.stride*this.size,this.vertex_buffer=new Uint8Array(this.byte_length)),this.offset=0,this.components=[];var a=!0,s=!1,u=void 0;try{for(var f,h=l.default(this.vertex_layout.components);!(a=(f=h.next()).done);a=!0){var d=f.value;this.components.push([].concat(o.default(d)))}}catch(p){s=!0,u=p}finally{try{!a&&h.return&&h.return()}finally{if(s)throw u}}this.vertex_count=0,this.realloc_count=0,this.setBufferViews()}return h.default(e,[{key:"setBufferViews",value:function(){this.views={},this.views[_.default.UNSIGNED_BYTE]=this.vertex_buffer;var e=!0,t=!1,r=void 0;try{for(var n,i=l.default(this.vertex_layout.attribs);!(e=(n=i.next()).done);e=!0){var a=n.value;if(null==this.views[a.type]){var o=x[a.type];this.views[a.type]=new o(this.vertex_buffer.buffer)}}}catch(s){t=!0,r=s}finally{try{!e&&i.return&&i.return()}finally{if(t)throw r}}var u=!0,c=!1,f=void 0;try{for(var h,d=l.default(this.components);!(u=(h=d.next()).done);u=!0){var p=h.value;p[1]=this.views[p[0]]}}catch(s){c=!0,f=s}finally{try{!u&&d.return&&d.return()}finally{if(c)throw f}}}},{key:"checkBufferSize",value:function(){if(this.offset+this.vertex_layout.stride>this.byte_length){this.size=Math.floor(1.5*this.size),this.size-=this.size%4,this.byte_length=this.vertex_layout.stride*this.size;var t=new Uint8Array(this.byte_length);t.set(this.vertex_buffer),e.array_pool.push(this.vertex_buffer),this.vertex_buffer=t,this.setBufferViews(),this.realloc_count++}}},{key:"addVertex",value:function(e){this.checkBufferSize();for(var t=0,r=this.components.length,n=0;r>n;n++){var i=this.components[n];i[1][(this.offset>>i[2])+i[3]]=e[t++]}this.offset+=this.vertex_layout.stride,this.vertex_count++}},{key:"end",value:function(){return this.vertex_buffer=this.vertex_buffer.subarray(0,this.offset),this.element_buffer=this.vertex_elements.end(),v.default("trace","VertexData: "+this.size+" vertices total, realloc count "+this.realloc_count),this}}]),e}();r.default=w,w.array_pool=[]},{"../utils/log":352,"./constants":300,"./vertex_elements":310,"babel-runtime/core-js/get-iterator":4,"babel-runtime/helpers/classCallCheck":21,"babel-runtime/helpers/createClass":22,"babel-runtime/helpers/defineProperty":23,"babel-runtime/helpers/toConsumableArray":28}],310:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}function i(e,t){var r=t&&h?Uint32Array:Uint16Array;return new r(e)}Object.defineProperty(r,"__esModule",{value:!0});var a=e("babel-runtime/helpers/classCallCheck"),o=n(a),s=e("babel-runtime/helpers/createClass"),l=n(s),u=e("../utils/worker_broker"),c=n(u),f=Math.pow(2,16)-1,h=!1,d=function(){function e(){o.default(this,e),this.array=[],this.has_overflown=!1}return l.default(e,[{key:"push",value:function(e){(!this.has_overflown||h)&&(e>f&&(this.has_overflown=!0,!h)||this.array.push(e))}},{key:"end",value:function(){if(this.array.length){var e=i(this.array,this.has_overflown);return this.array=[],this.has_overflown=!1,e}return!1}}]),e}();r.default=d,d.setUint32Flag=function(e){h=e},c.default.addTarget("VertexElements",d)},{"../utils/worker_broker":360,"babel-runtime/helpers/classCallCheck":21,"babel-runtime/helpers/createClass":22}],311:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/core-js/get-iterator"),a=n(i),o=e("babel-runtime/helpers/classCallCheck"),s=n(o),l=e("babel-runtime/helpers/createClass"),u=n(l),c=e("./constants"),f=n(c),h=e("./vertex_data"),d=n(h),p=function(){function e(t){s.default(this,e),this.attribs=t,this.components=[],this.index={},this.stride=0;var r=0,n=!0,i=!1,o=void 0;try{for(var l,u=a.default(this.attribs);!(n=(l=u.next()).done);n=!0){var c=l.value;c.offset=this.stride,c.byte_size=c.size;var h=0;switch(c.type){case f.default.FLOAT:case f.default.INT:case f.default.UNSIGNED_INT:c.byte_size*=4,h=2;break;case f.default.SHORT:case f.default.UNSIGNED_SHORT:c.byte_size*=2,h=1}this.stride+=c.byte_size,3&this.stride&&(this.stride+=4-(3&this.stride));var d=c.offset>>h;if(c.size>1)for(var p=0;p<c.size;p++)this.components.push([c.type,null,h,d++]);else this.components.push([c.type,null,h,d]);this.index[c.name]=r,r+=c.size}}catch(m){i=!0,o=m}finally{try{!n&&u.return&&u.return()}finally{if(i)throw o}}}return u.default(e,[{key:"enable",value:function(t,r,n){for(var i,a,o=0;o<this.attribs.length;o++)i=this.attribs[o],a=r.attribute(i.name).location,-1!==a&&((!e.enabled_attribs[a]||n)&&t.enableVertexAttribArray(a),t.vertexAttribPointer(a,i.size,i.type,i.normalized,this.stride,i.offset),e.enabled_attribs[a]=r);for(a in e.enabled_attribs)this.disableUnusedAttribute(t,a,r)}},{key:"disableUnusedAttribute",value:function(t,r,n){e.enabled_attribs[r]!==n&&(t.disableVertexAttribArray(r),delete e.enabled_attribs[r])}},{key:"createVertexData",value:function(){return new d.default(this)}}]),e}();r.default=p,p.enabled_attribs={}},{"./constants":300,"./vertex_data":309,"babel-runtime/core-js/get-iterator":4,"babel-runtime/helpers/classCallCheck":21,"babel-runtime/helpers/createClass":22}],312:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0});var i,a=e("babel-runtime/core-js/get-iterator"),o=n(a),s=e("babel-runtime/core-js/object/keys"),l=n(s),u=e("babel-runtime/core-js/promise"),c=n(u),f=e("babel-runtime/core-js/set"),h=n(f),d=e("./repeat_group"),p=n(d),m=e("../utils/log"),_=n(m);r.default=i={tiles:{},link_id:0,nextLinkId:function(){return this.link_id++},startTile:function(e){var t=this.tiles[e]={bboxes:{aabb:[],obb:[]},objects:{},keep:{},styles:new h.default};t.complete=new c.default(function(e,r){t.resolve=e,t.reject=r})},resetTile:function(e){delete this.tiles[e]},addStyle:function(e,t){this.tiles[t].styles.add(e)},collide:function(e,t,r){var n=this.tiles[r];if(!n)return _.default("trace","Collision.collide() called with null tile",r,this.tiles,t,e),c.default.resolve([]);for(var i=n.objects,a=0;a<e.length;a++){var o=e[a],s=o.label.layout.priority;i[s]=i[s]||{},i[s][t]=i[s][t]||[],i[s][t].push(o)}return n.styles.delete(t),0===n.styles.size&&this.endTile(r),n.complete.then(function(){return n.keep[t]||[]})},endTile:function(e){var t=this.tiles[e],r=t.keep;p.default.clear(e);var n=l.default(t.objects).sort(function(e,t){return e-t}),i=!0,a=!1,s=void 0;try{for(var u,c=o.default(n);!(i=(u=c.next()).done);i=!0){var f=u.value,h=t.objects[f];if(h)for(var d in h){var m=h[d];r[d]=r[d]||[];for(var _=0;_<m.length;_++){var g=m[_];this.canBePlaced(g,e,g.linked)&&(g.linked?this.canBePlaced(g.linked,e,g)&&(r[d].push(g),this.place(g,e),this.place(g.linked,e)):(r[d].push(g),this.place(g,e)))}}}}catch(v){a=!0,s=v}finally{try{!i&&c.return&&c.return()}finally{if(a)throw s}}delete this.tiles[e],t.resolve()},canBePlaced:function(e,t){var r=arguments.length<=2||void 0===arguments[2]?null:arguments[2],n=e.label,i=e.label.layout;if(null!=n.placed)return n.placed;var a=this.tiles[t].bboxes;if(i.collide&&n.discard(a,r&&r.label))i.collide&&(n.placed=!1);else{var o=p.default.check(n,i,t);if(!o)return!0;n.placed=!1}return n.placed},place:function(e,t){var r=e.label;null==r.placed&&(p.default.add(r,r.layout,t),r.add(this.tiles[t].bboxes))}}},{"../utils/log":352,"./repeat_group":317,"babel-runtime/core-js/get-iterator":4,"babel-runtime/core-js/object/keys":15,"babel-runtime/core-js/promise":17,"babel-runtime/core-js/set":18}],313:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),l=e("./point_anchor"),u=n(l),c=e("box-intersect"),f=n(c),h=e("../utils/utils"),d=n(h),p=e("../utils/obb"),m=n(p),_=function(){function e(t){var r=arguments.length<=1||void 0===arguments[1]?{}:arguments[1];a.default(this,e),this.size=t,this.layout=r,this.position=null,this.anchor=Array.isArray(this.layout.anchor)?this.layout.anchor[0]:this.layout.anchor,this.placed=null,this.offset=r.offset,this.aabb=null,this.obb=null,this.align="center",this.throw_away=!1}return s.default(e,[{key:"update",value:function(){this.align=this.layout.align||u.default.alignForAnchor(this.anchor)}},{key:"occluded",value:function(e){var t=this,r=arguments.length<=1||void 0===arguments[1]?null:arguments[1],n=!1,i=e.aabb,a=e.obb;return i.length>0&&f.default([this.aabb],i,function(e,o){return r&&i[o]===r.aabb?void 0:0===t.obb.angle&&0===a[o].angle?(n=!0,!0):m.default.intersect(t.obb,a[o])?(n=!0,!0):void 0}),n}},{key:"add",value:function(e){this.placed=!0,e.aabb.push(this.aabb),e.obb.push(this.obb)}},{key:"inTileBounds",value:function(){var e=[this.aabb[0],this.aabb[1]],t=[this.aabb[2],this.aabb[3]];return d.default.pointInTile(e)&&d.default.pointInTile(t)?!0:!1}},{key:"discard",value:function(e){var t=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return this.throw_away?!0:this.occluded(e,t)}}]),e}();r.default=_,_.epsilon=.9999},{"../utils/obb":355,"../utils/utils":358,"./point_anchor":316,"babel-runtime/helpers/classCallCheck":21,"babel-runtime/helpers/createClass":22,"box-intersect":33}],314:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}function i(e,t,r,n,i,a){var o=void 0,s=void 0;return!i||0===i[0]&&0===i[1]?(o=e[0],s=e[1]):(i=_.default.rot(i,n),o=e[0]+i[0]*a,s=e[1]-i[1]*a),new v.default(o,s,-n,t,r)}function a(e,t){var r=Math.PI,n=r/2,i=_.default.sub(e,t),a=Math.atan2(i[0],i[1])+n;return a>n?(a+=r,a%=2*Math.PI):0>a&&(a+=2*r),a}function o(e,t){return 1-e/t}Object.defineProperty(r,"__esModule",{value:!0});var s=e("babel-runtime/core-js/object/create"),l=n(s),u=e("babel-runtime/helpers/classCallCheck"),c=n(u),f=e("babel-runtime/helpers/createClass"),h=n(f),d=e("./label"),p=n(d),m=e("../vector"),_=n(m),g=e("../utils/obb"),v=n(g),y={MID_POINT:0,CORNER:1},b=Math.PI/2,x=.7,w=.6,k=function(){function e(t,r,n){c.default(this,e),this.size=t,this.layout=n,this.lines=r,this.space_width=n.space_width,this.num_segments=t.length,this.total_length=t.reduce(function(e,t){return e+t[0]},0)+(t.length-1)*this.space_width,this.total_height=t[0][1],this.placement=void 0===n.placement?y.MID_POINT:n.placement,this.kink_index=0,this.spread_factor=.5,this.fitness=0,this.position=[],this.angle=[],this.offsets=[],this.obbs=[],this.aabbs=[],this.segment_index=n.segment_index||n.segment_start||0,this.segment_max=n.segment_end||this.lines.length;var i=this.getNextFittingSegment(this.getCurrentSegment());this.throw_away=!i}return h.default(e,[{key:"getNextSegment",value:function(){switch(this.placement){case y.CORNER:this.placement=y.MID_POINT;break;case y.MID_POINT:if(this.segment_index>=this.lines.length-2)return!1;this.size.length>1&&(this.placement=y.CORNER),this.segment_index++}return this.getCurrentSegment()}},{key:"getCurrentSegment",value:function(){var e=void 0,t=void 0,r=void 0;switch(this.placement){case y.CORNER:e=this.lines[this.segment_index-1],t=this.lines[this.segment_index];var n=this.lines[this.segment_index+1];r=[e,t,n];break;case y.MID_POINT:e=this.lines[this.segment_index],t=this.lines[this.segment_index+1],r=[e,t]}return r}},{key:"getNextFittingSegment",value:function(e){return e=e||this.getNextSegment(),e?this.doesSegmentFit(e)&&(this.update(),this.inTileBounds()&&this.inAngleBounds())?e:this.getNextFittingSegment():!1}},{key:"doesSegmentFit",value:function(e){switch(this.placement){case y.CORNER:return this.fitKinkedSegment(e);case y.MID_POINT:return this.fitStraightSegment(e)}}},{key:"fitKinkedSegment",value:function(e){var t=this.layout.units_per_pixel,r=_.default.sub(e[0],e[1]),n=_.default.sub(e[1],e[2]);if(r[0]*n[0]<0&&r[1]*n[1]>0)return!1;for(var i=_.default.length(r)/t,a=_.default.length(n)/t,s=this.total_length,l=0,u=void 0,c=0,f=this.num_segments-1,h=[];f>0;)u=this.size[f][0]+this.space_width,s-=u,l+=u,c=Math.max(o(i,s),o(a,l)),h.unshift(c),f--;var d=Math.max.apply(null,h);return w>d?(this.kink_index=h.indexOf(d)+1,this.fitness=d,!0):(this.kink_index=0,!1)}},{key:"fitStraightSegment",value:function(e){var t=this.layout.units_per_pixel,r=_.default.length(_.default.sub(e[0],e[1]))/t,n=o(r,this.total_length);return x>n?(this.fitness=n,!0):!1}},{key:"update",value:function(){this.angle=this.getCurrentAngle(),this.position=this.getCurrentPosition(),this.updateBBoxes()}},{key:"getCurrentAngle",value:function(){var e=this.getCurrentSegment(),t=[];switch(this.placement){case y.CORNER:for(var r=a(e[0],e[1]),n=a(e[1],e[2]),i=_.default.sub(e[0],e[1]),o=_.default.sub(e[1],e[2]),s=i[0]>=0&&o[0]>=0?1:-1,l=void 0,u=0;u<this.num_segments;u++)l=u<this.kink_index?s>0?n:r:s>0?r:n,t.push(l);break;case y.MID_POINT:for(var c=a(e[0],e[1]),f=0;f<this.num_segments;f++)t.push(c)}return t}},{key:"getCurrentPosition",value:function(){var e=this.getCurrentSegment(),t=void 0;switch(this.placement){case y.CORNER:t=e[1].slice();break;case y.MID_POINT:t=[.5*(e[0][0]+e[1][0]),.5*(e[0][1]+e[1][1])]}return t}},{key:"inAngleBounds",value:function(){switch(this.placement){case y.CORNER:var e=this.angle[0];0>e&&(e+=2*Math.PI);var t=this.angle[1];0>t&&(t+=2*Math.PI);var r=Math.abs(t-e);return r=Math.min(2*Math.PI-r,r),b>=r;case y.MID_POINT:return!0}}},{key:"updateBBoxes",value:function(){var e=this.layout.units_per_pixel,t=(this.total_height+2*this.layout.buffer[1])*e*p.default.epsilon;switch(this.obbs=[],this.aabbs=[],this.placement){case y.CORNER:for(var r=this.angle[this.kink_index-1],n=this.angle[this.kink_index],a=Math.abs(n-r),o=this.spread_factor*Math.abs(this.total_height*Math.tan(.5*a)),s=.5*(-o-this.space_width),l=this.kink_index-1;l>=0;l--){var u=this.size[l][0],c=this.angle[l],f=(u+2*this.layout.buffer[0])*e*p.default.epsilon;s-=.5*u;var h=_.default.rot([s*e,0],-c),d=_.default.add(this.position,h),m=i(d,f,t,c,this.offset,e),g=m.getExtent();this.obbs.push(m),this.aabbs.push(g),this.offsets[l]=[this.layout.offset[0]+s,this.layout.offset[1]],s-=.5*u+this.space_width}s=.5*(o+this.space_width);for(var v=this.kink_index;v<this.num_segments;v++){var b=this.size[v][0],x=this.angle[v],w=(b+2*this.layout.buffer[0])*e*p.default.epsilon;s+=.5*b;var k=_.default.rot([s*e,0],-x),A=_.default.add(this.position,k),T=i(A,w,t,x,this.offset,e),E=T.getExtent();this.obbs.push(T),this.aabbs.push(E),this.offsets[v]=[this.layout.offset[0]+s,this.layout.offset[1]],s+=.5*b+this.space_width}break;case y.MID_POINT:for(var S=-.5*this.total_length,R=0;R<this.num_segments;R++){var j=this.size[R][0],M=(j+2*this.layout.buffer[0])*e*p.default.epsilon,z=this.angle[R];S+=.5*j;var C=_.default.rot([S*e,0],-z),P=_.default.add(this.position,C),N=i(P,M,t,z,this.offset,e),L=N.getExtent();this.obbs.push(N),this.aabbs.push(L),this.offsets[R]=[this.layout.offset[0]+S,this.layout.offset[1]],S+=.5*j+this.space_width}}}},{key:"inTileBounds",value:function(){for(var e=0;e<this.aabbs.length;e++){var t=this.aabbs[e],r={aabb:t},n=p.default.prototype.inTileBounds.call(r);if(!n)return!1}return!0}},{key:"add",value:function(e){this.placed=!0;for(var t=0;t<this.aabbs.length;t++){var r=this.aabbs[t],n=this.obbs[t],i={aabb:r,obb:n};p.default.prototype.add.call(i,e)}}},{key:"discard",value:function(e){var t=arguments.length<=1||void 0===arguments[1]?null:arguments[1];if(this.throw_away)return!0;for(var r=0;r<this.obbs.length;r++){var n=this.aabbs[r],i=this.obbs[r],a={aabb:n,obb:i},o=p.default.prototype.occluded.call(a,e,t);if(o)return!0}return!1}}],[{key:"nextLabel",value:function t(r){var n=r.getNextSegment();if(!n)return!1;var i=l.default(r.layout);i.segment_index=r.segment_index,i.placement=r.placement;var t=new e(r.size,r.lines,i);return t.throw_away?!1:t}}]),e}();r.default=k},{"../utils/obb":355,"../vector":361,"./label":313,"babel-runtime/core-js/object/create":10,"babel-runtime/helpers/classCallCheck":21,"babel-runtime/helpers/createClass":22}],315:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/core-js/object/get-prototype-of"),a=n(i),o=e("babel-runtime/helpers/classCallCheck"),s=n(o),l=e("babel-runtime/helpers/createClass"),u=n(l),c=e("babel-runtime/helpers/possibleConstructorReturn"),f=n(c),h=e("babel-runtime/helpers/get"),d=n(h),p=e("babel-runtime/helpers/inherits"),m=n(p),_=e("./label"),g=n(_),v=e("./point_anchor"),y=n(v),b=e("../geo"),x=n(b),w=e("../utils/obb"),k=n(w),A=e("../styles/style_parser"),T=function(e){function t(e,r,n){s.default(this,t);var i=f.default(this,a.default(t).call(this,r,n));i.position=[e[0],e[1]],i.parent=i.layout.parent,i.update(),i.layout.anchor&&(i.start_anchor_index=1);var o=i.getNextFit();return i.throw_away=!o,i}return m.default(t,e),u.default(t,[{key:"update",value:function(){d.default(a.default(t.prototype),"update",this).call(this),this.computeOffset(),this.updateBBoxes()}},{key:"computeOffset",value:function(){if(this.offset=[this.layout.offset[0],this.layout.offset[1]],this.parent){var e=this.parent;this.offset=y.default.computeOffset(this.offset,e.size,e.anchor,y.default.zero_buffer),this.offset=y.default.computeOffset(this.offset,e.size,this.anchor,y.default.zero_buffer),e.offset!==A.StyleParser.zeroPair&&(this.offset===A.StyleParser.zeroPair?this.offset=e.offset:(this.offset[0]+=e.offset[0],this.offset[1]+=e.offset[1]))}this.offset=y.default.computeOffset(this.offset,this.size,this.anchor)}},{key:"updateBBoxes",value:function(){var e=(this.size[0]+2*this.layout.buffer[0])*this.layout.units_per_pixel*g.default.epsilon,t=(this.size[1]+2*this.layout.buffer[1])*this.layout.units_per_pixel*g.default.epsilon,r=[this.position[0]+this.offset[0]*this.layout.units_per_pixel,this.position[1]-this.offset[1]*this.layout.units_per_pixel];this.obb=new k.default(r[0],r[1],0,e,t),this.aabb=this.obb.getExtent()}},{key:"moveIntoTile",value:function(){var e=!1;return this.aabb[0]<0&&(this.position[0]+=-this.aabb[0],e=!0),this.aabb[2]>=x.default.tile_scale&&(this.position[0]-=this.aabb[2]-x.default.tile_scale+1,e=!0),this.aabb[3]>0&&(this.position[1]-=this.aabb[3],e=!0),this.aabb[1]<=-x.default.tile_scale&&(this.position[1]-=this.aabb[1]+x.default.tile_scale-1,e=!0),e&&this.updateBBoxes(),e}},{key:"getNextFit",value:function(){if(!this.layout.cull_from_tile||this.inTileBounds())return!0;if(this.layout.move_into_tile)return this.moveIntoTile(),!0;if(Array.isArray(this.layout.anchor))for(var e=1;e<this.layout.anchor.length;e++)if(this.anchor=this.layout.anchor[e],this.update(),this.start_anchor_index=e,this.inTileBounds())return!0;return!1}},{key:"discard",value:function(e){var r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];if(d.default(a.default(t.prototype),"discard",this).call(this,e,r)){if(Array.isArray(this.layout.anchor))for(var n=this.start_anchor_index;n<this.layout.anchor.length;n++)if(this.anchor=this.layout.anchor[n],this.update(),(!this.layout.cull_from_tile||this.inTileBounds())&&!d.default(a.default(t.prototype),"discard",this).call(this,e,r))return!1;return!0}return!1}}]),t}(g.default);r.default=T},{"../geo":299,"../styles/style_parser":340,"../utils/obb":355,"./label":313,"./point_anchor":316,"babel-runtime/core-js/object/get-prototype-of":14,"babel-runtime/helpers/classCallCheck":21,"babel-runtime/helpers/createClass":22,"babel-runtime/helpers/get":24,"babel-runtime/helpers/inherits":25,"babel-runtime/helpers/possibleConstructorReturn":26}],316:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});var n=["left","top-left","bottom-left"],i=["right","top-right","bottom-right"],a=["top","top-left","top-right"],o=["bottom","bottom-left","bottom-right"],s=void 0;r.default=s={computeOffset:function(e,t,r){var n=arguments.length<=3||void 0===arguments[3]?null:arguments[3];if(!r||"center"===r)return e;var i=[e[0],e[1]];return n=n||this.default_buffer,this.isLeftAnchor(r)?(i[0]-=t[0]/2,"left"===r&&(i[0]-=n[0])):this.isRightAnchor(r)&&(i[0]+=t[0]/2,"right"===r&&(i[0]+=n[1])),this.isTopAnchor(r)?(i[1]-=t[1]/2,"top"===r&&(i[1]-=n[2])):this.isBottomAnchor(r)&&(i[1]+=t[1]/2,"bottom"===r&&(i[1]+=n[3])),i},alignForAnchor:function(e){if(e&&"center"!==e){if(this.isLeftAnchor(e))return"right";if(this.isRightAnchor(e))return"left"}return"center"},isLeftAnchor:function(e){return n.indexOf(e)>-1},isRightAnchor:function(e){return i.indexOf(e)>-1},isTopAnchor:function(e){return a.indexOf(e)>-1},isBottomAnchor:function(e){return o.indexOf(e)>-1},default_buffer:[2.5,2.5,1.5,.75],zero_buffer:[0,0,0,0]}},{}],317:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),l=e("../geo"),u=n(l),c=function(){function e(t,r,n){a.default(this,e),this.key=t,this.repeat_dist=r,this.repeat_dist_sq=this.repeat_dist*this.repeat_dist,this.max_repeat_dist_sq=n*n,this.one_per_group=this.repeat_dist_sq>=this.max_repeat_dist_sq?!0:!1,this.positions=[]}return s.default(e,[{key:"check",value:function(e){if(this.one_per_group){if(this.positions.length>0)return{dist_sq:this.max_repeat_dist_sq,repeat_dist_sq:this.repeat_dist_sq,one_per_group:this.one_per_group}}else for(var t=e.position,r=0;r<this.positions.length;r++){var n=this.positions[r],i=t[0]-n[0],a=t[1]-n[1],o=i*i+a*a;if(o<this.repeat_dist_sq)return{dist_sq:o,repeat_dist_sq:this.repeat_dist_sq}}}},{key:"add",value:function(e){e&&e.position&&this.positions.push(e.position)}}],[{key:"clear",value:function(e){this.groups[e]={}}},{key:"check",value:function(e,t,r){return t.repeat_distance&&t.repeat_group&&this.groups[r][t.repeat_group]?this.groups[r][t.repeat_group].check(e):void 0}},{key:"add",value:function(t,r,n){r.repeat_distance&&r.repeat_group&&(null==this.groups[n][r.repeat_group]&&(this.groups[n][r.repeat_group]=new e(r.repeat_group,r.repeat_distance,e.max_repeat_dist)),this.groups[n][r.repeat_group].add(t))}}]),e}();r.default=c,c.groups={},c.max_repeat_dist=u.default.tile_scale},{"../geo":299,"babel-runtime/helpers/classCallCheck":21,"babel-runtime/helpers/createClass":22}],318:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}function i(e){return a(e)}function a(e){if("undefined"!=typeof v)return new v(e);if(f.default.is_main){var t=function(){var t=e.leaflet||window.L,n=t.GridLayer?t.GridLayer:t.TileLayer,i=n===t.GridLayer?"1.x":"0.7.x",a={};return n===t.TileLayer&&(a._addTile=function(){},a._removeTile=function(){},a._reset=function(){n.prototype._reset.apply(this,arguments),this.scene&&this.scene.container&&this.scene.canvas&&this.scene.container.appendChild(this.scene.canvas)}),u.default(a,{initialize:function(e){var r=this;e.showDebug=e.showDebug?!0:!1,e.wheelDebounceTime=e.wheelDebounceTime||40,t.setOptions(this,e),this.createScene(),this.hooks={},this._updating_tangram=!1,this._zoomAnimated=!1,this.debounceViewReset=d.default.debounce(function(){r._map.fire("zoomend"),r._map.fire("moveend")},this.options.wheelDebounceTime)},createScene:function(){this.scene=m.default.create(this.options.scene,{numWorkers:this.options.numWorkers,preUpdate:this.options.preUpdate,postUpdate:this.options.postUpdate,continuousZoom:"1.x"===v.leafletVersion,highDensityDisplay:this.options.highDensityDisplay,logLevel:this.options.logLevel,introspection:this.options.introspection,disableRenderLoop:this.options.disableRenderLoop,allowCrossDomainWorkers:this.options.allowCrossDomainWorkers})},onAdd:function(e){var t=this;this.scene||this.createScene(),n.prototype.onAdd.apply(this,arguments),this.hooks.resize=function(){t._updating_tangram=!0,t.updateSize(),t._updating_tangram=!1},e.on("resize",this.hooks.resize),this.hooks.move=function(){if(!t._updating_tangram){t._updating_tangram=!0;var r=e.getCenter();r.zoom=Math.min(e.getZoom(),e.getMaxZoom()||g.default.default_view_max_zoom),t.scene.view.setView(r),t.scene.immediateRedraw(),t.reverseTransform(),t._updating_tangram=!1}},e.on("move",this.hooks.move),this.hooks.zoomstart=function(){t._updating_tangram||(t._updating_tangram=!0,t.scene.view.startZoom(),t._updating_tangram=!1)},e.on("zoomstart",this.hooks.zoomstart),this.hooks.dragstart=function(){t.scene.view.panning=!0},e.on("dragstart",this.hooks.dragstart),this.hooks.dragend=function(){t.scene.view.panning=!1},e.on("dragend",this.hooks.dragend),e._zoomAnimated=!1,this.modifyScrollWheelBehavior(e),this.setupSelectionEventHandlers(e),this.setSelectionEvents(this.options.events),this.scene.container=this.getContainer(),this.updateSize(),this.updateView(),this.scene.subscribe({move:this.onTangramViewUpdate.bind(this)}),this.scene.load().then(function(){t._updating_tangram=!0,t.updateSize(),t.updateView(),t.reverseTransform(),t._updating_tangram=!1,t.fire("init")}).catch(function(e){t.fire("error",e)})},onRemove:function(e){n.prototype.onRemove.apply(this,arguments),e.off("resize",this.hooks.resize),e.off("move",this.hooks.move),e.off("zoomstart",this.hooks.zoomstart),e.off("dragstart",this.hooks.dragstart),e.off("dragend",this.hooks.dragend),e.off("click",this.hooks.click),e.off("mousemove",this.hooks.mousemove),e.off("mouseout",this.hooks.mouseout),this.hooks={},this.scene&&(this.scene.destroy(),this.scene=null)},createTile:function(e){var t=e.x+"/"+e.y+"/"+e.z,r=document.createElement("div");if(r.setAttribute("data-tile-key",t),r.style.width="256px",r.style.height="256px",this.options.showDebug){var n=document.createElement("div");n.textContent=t,n.style.position="absolute",n.style.left=0,n.style.top=0,n.style.color="white",n.style.fontSize="16px",n.style.textOutline="1px #000000",n.style.padding="8px",r.appendChild(n),r.style.borderStyle="solid",r.style.borderColor="white",r.style.borderWidth="1px"}return r},modifyScrollWheelBehavior:function(e){this.scene.view.continuous_zoom&&e.scrollWheelZoom&&this.options.modifyScrollWheel!==!1&&(e.options.zoomSnap=0,e.options.wheelPxPerZoomLevel=1e3,e.options.wheelDebounceTime=10)},updateView:function(){var e=this._map.getCenter();e.zoom=Math.min(this._map.getZoom(),this._map.getMaxZoom()||g.default.default_view_max_zoom),this.scene.view.setView(e)},updateSize:function(){var e=this._map.getSize();this.scene.resizeMap(e.x,e.y)},onTangramViewUpdate:function(){this._map&&!this._updating_tangram&&(this._updating_tangram=!0,this._map.setView([this.scene.view.center.lat,this.scene.view.center.lng],this.scene.view.zoom,{animate:!1}),this.reverseTransform(),this._updating_tangram=!1)},render:function(){this.scene&&this.scene.update()},reverseTransform:function(){if(this._map&&this.scene&&this.scene.container){var e=this._map.containerPointToLayerPoint([0,0]);t.DomUtil.setPosition(this.scene.container,e)}},setupSelectionEventHandlers:function(e){var t=this;this._selection_events={},this.hooks.click=function(e){"function"==typeof t._selection_events.click&&t.scene.getFeatureAt(e.containerPoint).then(function(r){var n=u.default({},r,{leaflet_event:e});t._selection_events.click(n)})},e.on("click",this.hooks.click),this.hooks.mousemove=function(e){"function"==typeof t._selection_events.hover&&t.scene.getFeatureAt(e.containerPoint).then(function(r){var n=u.default({},r,{leaflet_event:e});t._selection_events.hover(n)})},e.on("mousemove",this.hooks.mousemove),this.hooks.mouseout=function(e){"function"==typeof t._selection_events.hover&&t._selection_events.hover({changed:!0,leaflet_event:e})},e.on("mouseout",this.hooks.mouseout)},setSelectionEvents:function(e){this._selection_events=u.default(this._selection_events,e)}}),r.LeafletLayer=v=n.extend(a),"function"!=typeof v.remove&&(v.prototype.remove=function(){this._map&&this._map.removeLayer(this),this.fire("remove")}),v.layerBaseClass=n,v.leafletVersion=i,{v:new v(e)}}();if("object"===("undefined"==typeof t?"undefined":s.default(t)))return t.v}}Object.defineProperty(r,"__esModule",{value:!0}),r.LeafletLayer=void 0;var o=e("babel-runtime/helpers/typeof"),s=n(o),l=e("babel-runtime/core-js/object/assign"),u=n(l);r.leafletLayer=i;var c=e("./utils/thread"),f=n(c),h=e("./utils/utils"),d=n(h),p=e("./scene"),m=n(p),_=e("./geo"),g=n(_),v=r.LeafletLayer=void 0},{"./geo":299,"./scene":322,"./utils/thread":357,"./utils/utils":358,"babel-runtime/core-js/object/assign":9,"babel-runtime/helpers/typeof":29}],319:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/slicedToArray"),a=n(i),o=e("babel-runtime/helpers/get"),s=n(o),l=e("babel-runtime/core-js/object/get-prototype-of"),u=n(l),c=e("babel-runtime/helpers/possibleConstructorReturn"),f=n(c),h=e("babel-runtime/helpers/inherits"),d=n(h),p=e("babel-runtime/core-js/object/keys"),m=n(p),_=e("babel-runtime/helpers/classCallCheck"),g=n(_),v=e("babel-runtime/helpers/createClass"),y=n(v),b=e("./gl/shader_program"),x=n(b),w=e("./gl/glsl"),k=n(w),A=e("./geo"),T=n(A),E=e("./vector"),S=n(E),R=e("./styles/style_parser"),j="/*\n\nExpected globals:\nlight_accumulator_*\n\n*/\n\nstruct AmbientLight {\n    vec3 ambient;\n};\n\nvoid calculateLight(in AmbientLight _light, in vec3 _eyeToPoint, in vec3 _normal) {\n    light_accumulator_ambient.rgb += _light.ambient;\n}\n",M="/*\n\nExpected globals:\nmaterial\nlight_accumulator_*\n\n*/\n\nstruct DirectionalLight {\n    vec3 ambient;\n    vec3 diffuse;\n    vec3 specular;\n    vec3 direction;\n};\n\nvoid calculateLight(in DirectionalLight _light, in vec3 _eyeToPoint, in vec3 _normal) {\n\n    light_accumulator_ambient.rgb += _light.ambient;\n\n    float nDotVP = clamp(dot(_normal, -_light.direction), 0.0, 1.0);\n\n    #ifdef TANGRAM_MATERIAL_DIFFUSE\n        light_accumulator_diffuse.rgb += _light.diffuse * nDotVP;\n    #endif\n\n    #ifdef TANGRAM_MATERIAL_SPECULAR\n        float pf = 0.0;\n        if (nDotVP > 0.0) {\n            vec3 reflectVector = reflect(_light.direction, _normal);\n            float eyeDotR = max(dot(normalize(_eyeToPoint), reflectVector), 0.0);\n            pf = pow(eyeDotR, material.shininess);\n        }\n        light_accumulator_specular.rgb += _light.specular * pf;\n    #endif\n}\n",z="/*\n\nExpected globals:\nmaterial\nlight_accumulator_*\n\n*/\n\nstruct PointLight {\n    vec3 ambient;\n    vec3 diffuse;\n    vec3 specular;\n    vec4 position;\n\n#ifdef TANGRAM_POINTLIGHT_ATTENUATION_EXPONENT\n    float attenuationExponent;\n#endif\n\n#ifdef TANGRAM_POINTLIGHT_ATTENUATION_INNER_RADIUS\n    float innerRadius;\n#endif\n\n#ifdef TANGRAM_POINTLIGHT_ATTENUATION_OUTER_RADIUS\n    float outerRadius;\n#endif\n};\n\nvoid calculateLight(in PointLight _light, in vec3 _eyeToPoint, in vec3 _normal) {\n\n    float dist = length(_light.position.xyz - _eyeToPoint);\n\n    // Compute vector from surface to light position\n    vec3 VP = (_light.position.xyz - _eyeToPoint) / dist;\n\n    // Normalize the vector from surface to light position\n    float nDotVP = clamp(dot(VP, _normal), 0.0, 1.0);\n\n    // Attenuation defaults\n    float attenuation = 1.0;\n    #ifdef TANGRAM_POINTLIGHT_ATTENUATION_EXPONENT\n        float Rin = 1.0;\n        float e = _light.attenuationExponent;\n\n        #ifdef TANGRAM_POINTLIGHT_ATTENUATION_INNER_RADIUS\n            Rin = _light.innerRadius;\n        #endif\n\n        #ifdef TANGRAM_POINTLIGHT_ATTENUATION_OUTER_RADIUS\n            float Rdiff = _light.outerRadius-Rin;\n            float d = clamp(max(0.0,dist-Rin)/Rdiff, 0.0, 1.0);\n            attenuation = 1.0-(pow(d,e));\n        #else\n            // If no outer is provide behaves like:\n            // https://imdoingitwrong.wordpress.com/2011/01/31/light-attenuation/\n            float d = max(0.0,dist-Rin)/Rin+1.0;\n            attenuation = clamp(1.0/(pow(d,e)), 0.0, 1.0);\n        #endif\n    #else\n        float Rin = 0.0;\n\n        #ifdef TANGRAM_POINTLIGHT_ATTENUATION_INNER_RADIUS\n            Rin = _light.innerRadius;\n            #ifdef TANGRAM_POINTLIGHT_ATTENUATION_OUTER_RADIUS\n                float Rdiff = _light.outerRadius-Rin;\n                float d = clamp(max(0.0,dist-Rin)/Rdiff, 0.0, 1.0);\n                attenuation = 1.0-d*d;\n            #else\n                // If no outer is provide behaves like:\n                // https://imdoingitwrong.wordpress.com/2011/01/31/light-attenuation/\n                float d = max(0.0,dist-Rin)/Rin+1.0;\n                attenuation = clamp(1.0/d, 0.0, 1.0);\n            #endif\n        #else\n            #ifdef TANGRAM_POINTLIGHT_ATTENUATION_OUTER_RADIUS\n                float d = clamp(dist/_light.outerRadius, 0.0, 1.0);\n                attenuation = 1.0-d*d;\n            #else\n                attenuation = 1.0;\n            #endif\n        #endif\n    #endif\n\n    // Computer accumulators\n    light_accumulator_ambient.rgb += _light.ambient * attenuation;\n\n    #ifdef TANGRAM_MATERIAL_DIFFUSE\n        light_accumulator_diffuse.rgb += _light.diffuse * nDotVP * attenuation;\n    #endif\n\n    #ifdef TANGRAM_MATERIAL_SPECULAR\n        float pf = 0.0; // power factor for shiny speculars\n        if (nDotVP > 0.0) {\n            vec3 reflectVector = reflect(-VP, _normal);\n            float eyeDotR = max(0.0, dot(-normalize(_eyeToPoint), reflectVector));\n            pf = pow(eyeDotR, material.shininess);\n        }\n\n        light_accumulator_specular.rgb += _light.specular * pf * attenuation;\n    #endif\n}\n",C="/*\n\nExpected globals:\nmaterial\nlight_accumulator_*\n\n*/\n\nstruct SpotLight {\n    vec3 ambient;\n    vec3 diffuse;\n    vec3 specular;\n    vec4 position;\n\n#ifdef TANGRAM_POINTLIGHT_ATTENUATION_EXPONENT\n    float attenuationExponent;\n#endif\n\n#ifdef TANGRAM_POINTLIGHT_ATTENUATION_INNER_RADIUS\n    float innerRadius;\n#endif\n\n#ifdef TANGRAM_POINTLIGHT_ATTENUATION_OUTER_RADIUS\n    float outerRadius;\n#endif\n\n    vec3 direction;\n    float spotCosCutoff;\n    float spotExponent;\n};\n\nvoid calculateLight(in SpotLight _light, in vec3 _eyeToPoint, in vec3 _normal) {\n\n    float dist = length(_light.position.xyz - _eyeToPoint);\n\n    // Compute vector from surface to light position\n    vec3 VP = (_light.position.xyz - _eyeToPoint) / dist;\n\n    // normal . light direction\n    float nDotVP = clamp(dot(_normal, VP), 0.0, 1.0);\n\n    // Attenuation defaults\n    float attenuation = 1.0;\n    #ifdef TANGRAM_POINTLIGHT_ATTENUATION_EXPONENT\n        float Rin = 1.0;\n        float e = _light.attenuationExponent;\n\n        #ifdef TANGRAM_POINTLIGHT_ATTENUATION_INNER_RADIUS\n            Rin = _light.innerRadius;\n        #endif\n\n        #ifdef TANGRAM_POINTLIGHT_ATTENUATION_OUTER_RADIUS\n            float Rdiff = _light.outerRadius-Rin;\n            float d = clamp(max(0.0,dist-Rin)/Rdiff, 0.0, 1.0);\n            attenuation = 1.0-(pow(d,e));\n        #else\n            // If no outer is provide behaves like:\n            // https://imdoingitwrong.wordpress.com/2011/01/31/light-attenuation/\n            float d = max(0.0,dist-Rin)/Rin+1.0;\n            attenuation = clamp(1.0/(pow(d,e)), 0.0, 1.0);\n        #endif\n    #else\n        float Rin = 0.0;\n\n        #ifdef TANGRAM_POINTLIGHT_ATTENUATION_INNER_RADIUS\n            Rin = _light.innerRadius;\n            #ifdef TANGRAM_POINTLIGHT_ATTENUATION_OUTER_RADIUS\n                float Rdiff = _light.outerRadius-Rin;\n                float d = clamp(max(0.0,dist-Rin)/Rdiff, 0.0, 1.0);\n                attenuation = 1.0-d*d;\n            #else\n                // If no outer is provide behaves like:\n                // https://imdoingitwrong.wordpress.com/2011/01/31/light-attenuation/\n                float d = max(0.0,dist-Rin)/Rin+1.0;\n                attenuation = clamp(1.0/d, 0.0, 1.0);\n            #endif\n        #else\n            #ifdef TANGRAM_POINTLIGHT_ATTENUATION_OUTER_RADIUS\n                float d = clamp(dist/_light.outerRadius, 0.0, 1.0);\n                attenuation = 1.0-d*d;\n            #else\n                attenuation = 1.0;\n            #endif\n        #endif\n    #endif\n\n    // spotlight attenuation factor\n    float spotAttenuation = 0.0;\n\n    // See if point on surface is inside cone of illumination\n    float spotDot = clamp(dot(-VP, _light.direction), 0.0, 1.0);\n\n    if (spotDot >= _light.spotCosCutoff) {\n        spotAttenuation = pow(spotDot, _light.spotExponent);\n    }\n\n    light_accumulator_ambient.rgb += _light.ambient * attenuation * spotAttenuation;\n\n    #ifdef TANGRAM_MATERIAL_DIFFUSE\n        light_accumulator_diffuse.rgb += _light.diffuse * nDotVP * attenuation * spotAttenuation;\n    #endif\n\n    #ifdef TANGRAM_MATERIAL_SPECULAR\n        // Power factor for shiny speculars\n        float pf = 0.0;\n        if (nDotVP > 0.0) {\n            vec3 reflectVector = reflect(-VP, _normal);\n            float eyeDotR = max(dot(-normalize(_eyeToPoint), reflectVector), 0.0);\n            pf = pow(eyeDotR, material.shininess);\n        }\n        light_accumulator_specular.rgb += _light.specular * pf * attenuation * spotAttenuation;\n    #endif\n}\n",P=function(){function e(t,r){g.default(this,e),this.name=r.name,this.view=t,this.ambient=null==r.ambient||"number"==typeof r.ambient?k.default.expandVec3(r.ambient||0):R.StyleParser.parseColor(r.ambient).slice(0,3),this.diffuse=null==r.diffuse||"number"==typeof r.diffuse?k.default.expandVec3(null!=r.diffuse?r.diffuse:1):R.StyleParser.parseColor(r.diffuse).slice(0,3),this.specular=null==r.specular||"number"==typeof r.specular?k.default.expandVec3(r.specular||0):R.StyleParser.parseColor(r.specular).slice(0,3)
 13 }return y.default(e,[{key:"inject",value:function(){var t="\n            uniform "+this.struct_name+" u_"+this.name+";\n            "+this.struct_name+" "+this.name+";\n            ",r="\n            "+this.name+" = u_"+this.name+";\n\n        ";x.default.addBlock(e.block,t),x.default.addBlock("setup",r)}},{key:"update",value:function(){}},{key:"setupProgram",value:function(e){e.uniform("3fv","u_"+this.name+".ambient",this.ambient),e.uniform("3fv","u_"+this.name+".diffuse",this.diffuse),e.uniform("3fv","u_"+this.name+".specular",this.specular)}}],[{key:"create",value:function(t,r){return e.types[r.type]?new e.types[r.type](t,r):void 0}},{key:"setMode",value:function(t,r){t===!0&&(t="fragment"),t=e.enabled&&(null!=t?t:"fragment"),r.defines.TANGRAM_LIGHTING_FRAGMENT="fragment"===t,r.defines.TANGRAM_LIGHTING_VERTEX="vertex"===t}},{key:"inject",value:function(t){if(x.default.removeBlock(e.block),e.enabled){var r="";if(t&&m.default(t).length>0){var n={};for(var i in t)n[t[i].type]=!0;for(var a in n)e.types[a].inject();for(var o in t)t[o].inject(),r+="calculateLight("+o+", _eyeToPoint, _normal);\n"}var s="\n            vec4 calculateLighting(in vec3 _eyeToPoint, in vec3 _normal, in vec4 _color) {\n\n                // Do initial material calculations over normal, emission, ambient, diffuse and specular values\n                calculateMaterial(_eyeToPoint,_normal);\n\n                // Un roll the loop of individual ligths to calculate\n                "+r+"\n\n                //  Final light intensity calculation\n                vec4 color = vec4(0.0);\n\n                // Keep material alpha channel when alpha blending is on\n                #if !defined(TANGRAM_BLEND_OPAQUE)\n                    #ifdef TANGRAM_MATERIAL_EMISSION\n                        color = material.emission;\n                    #endif\n\n                    #ifdef TANGRAM_MATERIAL_AMBIENT\n                        color += light_accumulator_ambient * _color * material.ambient;\n                    #else\n                        #ifdef TANGRAM_MATERIAL_DIFFUSE\n                            color += light_accumulator_ambient * _color * material.diffuse;\n                        #endif\n                    #endif\n\n                    #ifdef TANGRAM_MATERIAL_DIFFUSE\n                        color += light_accumulator_diffuse * _color * material.diffuse;\n                    #endif\n\n                    #ifdef TANGRAM_MATERIAL_SPECULAR\n                        color += light_accumulator_specular * material.specular;\n                    #endif\n                // Multiply material alpha channel into material RGB when alpha blending is off\n                #else\n                    color.a = _color.a; // use vertex color alpha\n\n                    #ifdef TANGRAM_MATERIAL_EMISSION\n                        color.rgb = material.emission.rgb * material.emission.a;\n                    #endif\n\n                    #ifdef TANGRAM_MATERIAL_AMBIENT\n                        color.rgb += light_accumulator_ambient.rgb * _color.rgb * material.ambient.rgb * material.ambient.a;\n                    #else\n                        #ifdef TANGRAM_MATERIAL_DIFFUSE\n                            color.rgb += light_accumulator_ambient.rgb * _color.rgb * material.diffuse.rgb * material.diffuse.a;\n                        #endif\n                    #endif\n\n                    #ifdef TANGRAM_MATERIAL_DIFFUSE\n                        color.rgb += light_accumulator_diffuse.rgb * _color.rgb * material.diffuse.rgb * material.diffuse.a;\n                    #endif\n\n                    #ifdef TANGRAM_MATERIAL_SPECULAR\n                        color.rgb += light_accumulator_specular.rgb * material.specular.rgb * material.specular.a;\n                    #endif\n                #endif\n\n                // Clamp final color\n                color = clamp(color, 0.0, 1.0);\n\n                return color;\n            }";x.default.addBlock(e.block,s)}}}]),e}();r.default=P,P.types={},P.block="lighting",P.enabled=!0;var N=function(e){function t(e,r){g.default(this,t);var n=f.default(this,u.default(t).call(this,e,r));return n.type="ambient",n.struct_name="AmbientLight",n}return d.default(t,e),y.default(t,[{key:"setupProgram",value:function(e){e.uniform("3fv","u_"+this.name+".ambient",this.ambient)}}],[{key:"inject",value:function(){x.default.addBlock(P.block,j)}}]),t}(P);P.types.ambient=N;var L=function(e){function t(e,r){g.default(this,t);var n=f.default(this,u.default(t).call(this,e,r));if(n.type="directional",n.struct_name="DirectionalLight",r.direction)n._direction=r.direction;else{var i=135,a=Math.sin(60*Math.PI/180);n._direction=[Math.cos(Math.PI*i/180)*a,Math.sin(Math.PI*i/180)*a,-.5],null==r.ambient&&(n.ambient=k.default.expandVec3(.5))}return n.direction=n._direction.map(parseFloat),n}return d.default(t,e),y.default(t,[{key:"setupProgram",value:function(e){s.default(u.default(t.prototype),"setupProgram",this).call(this,e),e.uniform("3fv","u_"+this.name+".direction",this.direction)}},{key:"direction",get:function(){return this._direction},set:function(e){this._direction=S.default.normalize(e)}}],[{key:"inject",value:function(){x.default.addBlock(P.block,M)}}]),t}(P);P.types.directional=L;var O=function(e){function t(e,r){g.default(this,t);var n=f.default(this,u.default(t).call(this,e,r));return n.type="point",n.struct_name="PointLight",n.position=r.position||[0,0,"100px"],n.position_eye=[],n.origin=r.origin||"ground",n.attenuation=isNaN(parseFloat(r.attenuation))?0:parseFloat(r.attenuation),n.radius=r.radius?Array.isArray(r.radius)&&2===r.radius.length?r.radius:[null,r.radius]:null,n}return d.default(t,e),y.default(t,[{key:"inject",value:function(){s.default(u.default(t.prototype),"inject",this).call(this),x.default.defines.TANGRAM_POINTLIGHT_ATTENUATION_EXPONENT=0!==this.attenuation,x.default.defines.TANGRAM_POINTLIGHT_ATTENUATION_INNER_RADIUS=null!=this.radius&&null!=this.radius[0],x.default.defines.TANGRAM_POINTLIGHT_ATTENUATION_OUTER_RADIUS=null!=this.radius}},{key:"update",value:function(){this.updateEyePosition()}},{key:"updateEyePosition",value:function(){if("world"===this.origin){var e=T.default.latLngToMeters(this.position),t=a.default(e,2),r=t[0],n=t[1];this.position_eye[0]=r-this.view.camera.position_meters[0],this.position_eye[1]=n-this.view.camera.position_meters[1],this.position_eye[2]=R.StyleParser.convertUnits(this.position[2],{zoom:this.view.zoom,meters_per_pixel:T.default.metersPerPixel(this.view.zoom)}),this.position_eye[2]=this.position_eye[2]-this.view.camera.position_meters[2]}else("ground"===this.origin||"camera"===this.origin)&&(this.position_eye=R.StyleParser.convertUnits(this.position,{zoom:this.view.zoom,meters_per_pixel:T.default.metersPerPixel(this.view.zoom)}),"ground"===this.origin&&(this.position_eye[2]=this.position_eye[2]-this.view.camera.position_meters[2]));this.position_eye[3]=1}},{key:"setupProgram",value:function(e){s.default(u.default(t.prototype),"setupProgram",this).call(this,e),e.uniform("4fv","u_"+this.name+".position",this.position_eye),x.default.defines.TANGRAM_POINTLIGHT_ATTENUATION_EXPONENT&&e.uniform("1f","u_"+this.name+".attenuationExponent",this.attenuation),x.default.defines.TANGRAM_POINTLIGHT_ATTENUATION_INNER_RADIUS&&e.uniform("1f","u_"+this.name+".innerRadius",R.StyleParser.convertUnits(this.radius[0],{zoom:this.view.zoom,meters_per_pixel:T.default.metersPerPixel(this.view.zoom)})),x.default.defines.TANGRAM_POINTLIGHT_ATTENUATION_OUTER_RADIUS&&e.uniform("1f","u_"+this.name+".outerRadius",R.StyleParser.convertUnits(this.radius[1],{zoom:this.view.zoom,meters_per_pixel:T.default.metersPerPixel(this.view.zoom)}))}}],[{key:"inject",value:function(){x.default.addBlock(P.block,z)}}]),t}(P);P.types.point=O;var I=function(e){function t(e,r){g.default(this,t);var n=f.default(this,u.default(t).call(this,e,r));return n.type="spotlight",n.struct_name="SpotLight",n.direction=n._direction=(r.direction||[0,0,-1]).map(parseFloat),n.exponent=r.exponent?parseFloat(r.exponent):.2,n.angle=r.angle?parseFloat(r.angle):20,n}return d.default(t,e),y.default(t,[{key:"setupProgram",value:function(e){s.default(u.default(t.prototype),"setupProgram",this).call(this,e),e.uniform("3fv","u_"+this.name+".direction",this.direction),e.uniform("1f","u_"+this.name+".spotCosCutoff",Math.cos(3.14159*this.angle/180)),e.uniform("1f","u_"+this.name+".spotExponent",this.exponent)}},{key:"direction",get:function(){return this._direction},set:function(e){this._direction=S.default.normalize(e)}}],[{key:"inject",value:function(){x.default.addBlock(P.block,C)}}]),t}(O);P.types.spotlight=I},{"./geo":299,"./gl/glsl":303,"./gl/shader_program":305,"./styles/style_parser":340,"./vector":361,"babel-runtime/core-js/object/get-prototype-of":14,"babel-runtime/core-js/object/keys":15,"babel-runtime/helpers/classCallCheck":21,"babel-runtime/helpers/createClass":22,"babel-runtime/helpers/get":24,"babel-runtime/helpers/inherits":25,"babel-runtime/helpers/possibleConstructorReturn":26,"babel-runtime/helpers/slicedToArray":27}],320:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/classCallCheck"),a=n(i),o=e("babel-runtime/helpers/createClass"),s=n(o),l=e("./gl/glsl"),u=n(l),c=e("./styles/style_parser"),f="/*\n\nDefines globals:\nmaterial\nlight_accumulator_*\n\n*/\n\n\n// MATERIALS\n//\nstruct Material {\n    #ifdef TANGRAM_MATERIAL_EMISSION\n        vec4 emission;\n        #ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE\n            vec3 emissionScale;\n        #endif\n    #endif\n\n    #ifdef TANGRAM_MATERIAL_AMBIENT\n        vec4 ambient;\n        #ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE\n            vec3 ambientScale;\n        #endif\n    #endif\n\n    #ifdef TANGRAM_MATERIAL_DIFFUSE\n        vec4 diffuse;\n        #ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE\n            vec3 diffuseScale;\n        #endif\n    #endif\n\n    #ifdef TANGRAM_MATERIAL_SPECULAR\n        vec4 specular;\n        float shininess;\n        #ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE\n            vec3 specularScale;\n        #endif\n    #endif\n\n\n    #ifdef TANGRAM_MATERIAL_NORMAL_TEXTURE\n        vec3 normalScale;\n        float normalAmount;\n    #endif\n};\n\n// Note: uniform is copied to a global instance to allow modification\nuniform Material u_material;\nMaterial material;\n\n#ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE\nuniform sampler2D u_material_emission_texture;\n#endif\n\n#ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE\nuniform sampler2D u_material_ambient_texture;\n#endif\n\n#ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE\nuniform sampler2D u_material_diffuse_texture;\n#endif\n\n#ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE\nuniform sampler2D u_material_specular_texture;\n#endif\n\n#ifdef TANGRAM_MATERIAL_NORMAL_TEXTURE\nuniform sampler2D u_material_normal_texture;\n#endif\n\n// Global light accumulators for each property\nvec4 light_accumulator_ambient = vec4(vec3(0.0), 1.);\nvec4 light_accumulator_diffuse = vec4(vec3(0.0), 1.);\n#ifdef TANGRAM_MATERIAL_SPECULAR\n    vec4 light_accumulator_specular = vec4(vec3(0.0), 1.);\n#endif\n\n\n#ifdef TANGRAM_MATERIAL_TEXTURE_SPHEREMAP\nvec4 getSphereMap (in sampler2D _tex, in vec3 _eyeToPoint, in vec3 _normal, in vec2 _skew) {\n    vec3 eye = normalize(_eyeToPoint);\n    eye.xy -= _skew;\n    eye = normalize(eye);\n\n    vec3 r = reflect(eye, _normal);\n    r.z += 1.0;\n    float m = 2. * length(r);\n    vec2 uv = r.xy / m + .5;\n    return texture2D(_tex, uv);\n}\n#endif\n\n\n#ifdef TANGRAM_MATERIAL_TEXTURE_TRIPLANAR\nvec3 getTriPlanarBlend (in vec3 _normal) {\n    vec3 blending = abs(_normal);\n    blending = normalize(max(blending, 0.00001));\n    float b = (blending.x + blending.y + blending.z);\n    return blending / b;\n}\n\nvec4 getTriPlanar (in sampler2D _tex, in vec3 _pos, in vec3 _normal, in vec3 _scale) {\n    vec3 blending = getTriPlanarBlend(_normal);\n    vec4 xaxis = texture2D(_tex, fract(_pos.yz * _scale.x));\n    vec4 yaxis = texture2D(_tex, fract(_pos.xz * _scale.y));\n    vec4 zaxis = texture2D(_tex, fract(_pos.xy * _scale.z));\n    return  xaxis * blending.x + yaxis * blending.y + zaxis * blending.z;\n}\n#endif\n\n\n#ifdef TANGRAM_MATERIAL_TEXTURE_PLANAR\nvec4 getPlanar (in sampler2D _tex, in vec3 _pos, in vec2 _scale) {\n    return texture2D( _tex, fract(_pos.xy * _scale.x) );\n}\n#endif\n\n\n#ifdef TANGRAM_MATERIAL_NORMAL_TEXTURE\nvoid calculateNormal (inout vec3 _normal) {\n    // Get NORMALMAP\n    //------------------------------------------------\n    #ifdef TANGRAM_MATERIAL_NORMAL_TEXTURE_UV\n    _normal += texture2D(u_material_normal_texture, fract(v_texcoord*material.normalScale.xy)).rgb*2.0-1.0;\n    #endif\n\n    #ifdef TANGRAM_MATERIAL_NORMAL_TEXTURE_PLANAR\n    vec3 normalTex = getPlanar(u_material_normal_texture, v_world_position.xyz, material.normalScale.xy).rgb*2.0-1.0;\n    _normal += normalTex;\n    #endif\n\n    #ifdef TANGRAM_MATERIAL_NORMAL_TEXTURE_TRIPLANAR\n    vec3 normalTex = getTriPlanar(u_material_normal_texture, v_world_position.xyz, _normal, material.normalScale).rgb*2.0-1.0;\n    _normal += normalTex;\n    #endif\n\n    _normal = normalize(_normal);\n}\n#endif\n\nvoid calculateMaterial (in vec3 _eyeToPoint, inout vec3 _normal) {\n    // get EMISSION TEXTUREMAP\n    //------------------------------------------------\n    #ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE\n        #ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE_UV\n        material.emission *= texture2D(u_material_emission_texture,v_texcoord);\n        #endif\n\n        #ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE_PLANAR\n        material.emission *= getPlanar(u_material_emission_texture, v_world_position.xyz, material.emissionScale.xy);\n        #endif\n\n        #ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE_TRIPLANAR\n        material.emission *= getTriPlanar(u_material_emission_texture, v_world_position.xyz, _normal, material.emissionScale);\n        #endif\n\n        #ifdef TANGRAM_MATERIAL_EMISSION_TEXTURE_SPHEREMAP\n        material.emission *= getSphereMap(u_material_emission_texture, _eyeToPoint, _normal, u_vanishing_point);\n        #endif\n    #endif\n\n    // get AMBIENT TEXTUREMAP\n    //------------------------------------------------\n    #ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE\n        #ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE_UV\n        material.ambient *= texture2D(u_material_ambient_texture,v_texcoord);\n        #endif\n\n        #ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE_PLANAR\n        material.ambient *= getPlanar(u_material_ambient_texture, v_world_position.xyz, material.ambientScale.xy);\n        #endif\n\n        #ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE_TRIPLANAR\n        material.ambient *= getTriPlanar(u_material_ambient_texture, v_world_position.xyz, _normal, material.ambientScale);\n        #endif\n\n        #ifdef TANGRAM_MATERIAL_AMBIENT_TEXTURE_SPHEREMAP\n        material.ambient *= getSphereMap(u_material_ambient_texture, _eyeToPoint, _normal, u_vanishing_point);\n        #endif\n    #endif\n\n    // get DIFFUSE TEXTUREMAP\n    //------------------------------------------------\n    #ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE\n        #ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE_UV\n        material.diffuse *= texture2D(u_material_diffuse_texture,v_texcoord);\n        #endif\n\n        #ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE_PLANAR\n        material.diffuse *= getPlanar(u_material_diffuse_texture, v_world_position.xyz, material.diffuseScale.xy);\n        #endif\n\n        #ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE_TRIPLANAR\n        material.diffuse *= getTriPlanar(u_material_diffuse_texture, v_world_position.xyz, _normal, material.diffuseScale);\n        #endif\n\n        #ifdef TANGRAM_MATERIAL_DIFFUSE_TEXTURE_SPHEREMAP\n        material.diffuse *= getSphereMap(u_material_diffuse_texture, _eyeToPoint, _normal, u_vanishing_point);\n        #endif\n    #endif\n\n    // get SPECULAR TEXTUREMAP\n    //------------------------------------------------\n    #ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE\n        #ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE_UV\n        material.specular *= texture2D(u_material_specular_texture,v_texcoord);\n        #endif\n\n        #ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE_PLANAR\n        material.specular *= getPlanar(u_material_specular_texture, v_world_position.xyz, material.specularScale.xy);\n        #endif\n\n        #ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE_TRIPLANAR\n        material.specular *= getTriPlanar(u_material_specular_texture, v_world_position.xyz, _normal, material.specularScale);\n        #endif\n\n        #ifdef TANGRAM_MATERIAL_SPECULAR_TEXTURE_SPHEREMAP\n        material.specular *= getSphereMap(u_material_specular_texture, _eyeToPoint, _normal, u_vanishing_point);\n        #endif\n    #endif\n}\n",h=function(){function e(t){a.default(this,e),t=t||{};for(var r=["emission","ambient","diffuse","specular"],n=0;n<r.length;n++){var i=r[n],o=t[i];null!=o&&(this[i]=o.texture?{texture:o.texture,mapping:o.mapping||"spheremap",scale:u.default.expandVec3(null!=o.scale?o.scale:1),amount:u.default.expandVec4(null!=o.amount?o.amount:1)}:"number"==typeof o||Array.isArray(o)?{amount:u.default.expandVec4(o)}:"string"==typeof o?{amount:c.StyleParser.parseColor(o)}:o)}this.specular&&(this.specular.shininess=t.shininess?parseFloat(t.shininess):.2),null!=t.normal&&(this.normal={texture:t.normal.texture,mapping:t.normal.mapping||"triplanar",scale:u.default.expandVec3(null!=t.normal.scale?t.normal.scale:1),amount:null!=t.normal.amount?t.normal.amount:1})}return s.default(e,[{key:"inject",value:function(t){for(var r=["emission","ambient","diffuse","specular"],n=0;n<r.length;n++){var i=r[n],a="TANGRAM_MATERIAL_"+i.toUpperCase(),o=a+"_TEXTURE";t.defines[a]=null!=this[i],this[i]&&this[i].texture&&(t.defines[o]=!0,t.defines[o+"_"+this[i].mapping.toUpperCase()]=!0,t.defines["TANGRAM_MATERIAL_TEXTURE_"+this[i].mapping.toUpperCase()]=!0,t.texcoords=t.texcoords||"uv"===this[i].mapping)}this.normal&&this.normal.texture&&(t.defines.TANGRAM_MATERIAL_NORMAL_TEXTURE=!0,t.defines["TANGRAM_MATERIAL_NORMAL_TEXTURE_"+this.normal.mapping.toUpperCase()]=!0,t.defines["TANGRAM_MATERIAL_TEXTURE_"+this.normal.mapping.toUpperCase()]=!0,t.texcoords=t.texcoords||"uv"===this.normal.mapping),t.replaceShaderBlock(e.block,f,"Material"),t.addShaderBlock("setup","\nmaterial = u_material;\n","Material")}},{key:"setupProgram",value:function(e){for(var t=["emission","ambient","diffuse","specular"],r=0;r<t.length;r++){var n=t[r];this[n]&&(this[n].texture?(e.setTextureUniform("u_material_"+n+"_texture",this[n].texture),e.uniform("3fv","u_material."+n+"Scale",this[n].scale),e.uniform("4fv","u_material."+n,this[n].amount)):this[n].amount&&e.uniform("4fv","u_material."+n,this[n].amount))}this.specular&&e.uniform("1f","u_material.shininess",this.specular.shininess),this.normal&&this.normal.texture&&(e.setTextureUniform("u_material_normal_texture",this.normal.texture),e.uniform("3fv","u_material.normalScale",this.normal.scale),e.uniform("1f","u_material.normalAmount",this.normal.amount))}}],[{key:"isValid",value:function(e){return null==e?!1:null==e.emission&&null==e.ambient&&null==e.diffuse&&null==e.specular?!1:!0}}]),e}();r.default=h,h.block="material"},{"./gl/glsl":303,"./styles/style_parser":340,"babel-runtime/helpers/classCallCheck":21,"babel-runtime/helpers/createClass":22}],321:[function(e,t){"use strict";function r(e){return e&&e.__esModule?e:{"default":e}}var n=e("babel-runtime/core-js/promise"),i=r(n),a=e("./leaflet_layer"),o=e("./scene"),s=r(o),l=e("./scene_worker"),u=e("./utils/version"),c=r(u),f=e("./utils/log"),h=r(f),d=e("./utils/thread"),p=r(d),m=e("./utils/utils"),_=r(m),g=e("./geo"),v=r(g),y=e("./vector"),b=r(y),x=e("./sources/data_source"),w=r(x);e("./sources/geojson"),e("./sources/topojson"),e("./sources/mvt"),e("./sources/raster");var k=e("./gl/glsl"),A=r(k),T=e("./gl/shader_program"),E=r(T),S=e("./gl/vertex_data"),R=r(S),j=e("./gl/texture"),M=r(j),z=e("./material"),C=r(z),P=e("./light"),N=r(P),L=e("./utils/worker_broker"),O=r(L),I=e("./styles/layer"),F=e("./styles/style_manager"),U=e("./styles/style_parser"),D=e("./labels/collision"),B=r(D),G=e("./selection"),V=r(G),W=e("./styles/text/canvas_text"),q=r(W),Z=e("./utils/debug_settings"),H=r(Z),X=e("js-yaml"),Y=r(X),J=e("jszip"),K=r(J),$={log:h.default,yaml:Y.default,Thread:p.default,Utils:_.default,Geo:v.default,Vector:b.default,DataSource:w.default,GLSL:A.default,ShaderProgram:E.default,VertexData:R.default,Texture:M.default,Material:C.default,Light:N.default,Scene:s.default,SceneWorker:l.SceneWorker,WorkerBroker:O.default,layer_cache:I.layer_cache,StyleManager:F.StyleManager,StyleParser:U.StyleParser,Collision:B.default,FeatureSelection:V.default,CanvasText:q.default,debugSettings:H.default};p.default.is_main&&(_.default.requestAnimationFramePolyfill(),void 0===window.Promise&&(window.Promise=i.default,K.default.external.Promise=i.default)),t.exports={leafletLayer:a.leafletLayer,debug:$,version:c.default}},{"./geo":299,"./gl/glsl":303,"./gl/shader_program":305,"./gl/texture":306,"./gl/vertex_data":309,"./labels/collision":312,"./leaflet_layer":318,"./light":319,"./material":320,"./scene":322,"./scene_worker":325,"./selection":326,"./sources/data_source":327,"./sources/geojson":328,"./sources/mvt":329,"./sources/raster":330,"./sources/topojson":331,"./styles/layer":332,"./styles/style_manager":339,"./styles/style_parser":340,"./styles/text/canvas_text":341,"./utils/debug_settings":349,"./utils/log":352,"./utils/thread":357,"./utils/utils":358,"./utils/version":359,"./utils/worker_broker":360,"./vector":361,"babel-runtime/core-js/promise":17,"js-yaml":190,jszip:226}],322:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/slicedToArray"),a=n(i),o=e("babel-runtime/core-js/get-iterator"),s=n(o),l=e("babel-runtime/core-js/json/stringify"),u=n(l),c=e("babel-runtime/core-js/object/assign"),f=n(c),h=e("babel-runtime/core-js/promise"),d=n(h),p=e("babel-runtime/core-js/object/keys"),m=n(p),_=e("babel-runtime/helpers/toConsumableArray"),g=n(_),v=e("babel-runtime/helpers/typeof"),y=n(v),b=e("babel-runtime/helpers/classCallCheck"),x=n(b),w=e("babel-runtime/helpers/createClass"),k=n(w),A=e("./utils/log"),T=n(A),E=e("./utils/utils"),S=n(E),R=e("./utils/worker_broker"),j=n(R),M=e("./utils/subscribe"),z=n(M),C=e("./gl/context"),P=n(C),N=e("./gl/texture"),L=n(N),O=e("./gl/vao"),I=n(O),F=e("./styles/style_manager"),U=e("./styles/style"),D=e("./styles/style_parser"),B=e("./scene_loader"),G=n(B),V=e("./view"),W=n(V),q=e("./light"),Z=n(q),H=e("./tile_manager"),X=n(H),Y=e("./sources/data_source"),J=n(Y),K=e("./selection"),$=n(K),Q=e("./gl/render_state"),et=n(Q),tt=e("./styles/text/font_manager"),rt=n(tt),nt=e("./utils/media_capture"),it=n(nt),at=function(){function e(t,r){x.default(this,e),r=r||{},z.default(this),this.id=e.id++,this.initialized=!1,this.initializing=null,this.sources={},this.view=new W.default(this,r),this.tile_manager=new X.default({scene:this,view:this.view}),this.num_workers=r.numWorkers||2,this.worker_url=r.workerUrl,r.disableVertexArrayObjects===!0&&(I.default.disabled=!0),S.default.use_high_density_display=void 0!==r.highDensityDisplay?r.highDensityDisplay:!0,S.default.updateDevicePixelRatio(),this.config=null,this.config_source=t,this.config_serialized=null,this.last_valid_config_source=null,this.styles=null,this.active_styles={},this.style_manager=new F.StyleManager,this.building=null,this.dirty=!0,this.animated=!1,this.preUpdate=r.preUpdate,this.postUpdate=r.postUpdate,this.render_loop=!r.disableRenderLoop,this.render_loop_active=!1,this.render_loop_stop=!1,this.render_count=0,this.last_render_count=0,this.render_count_changed=!1,this.frame=0,this.media_capture=new it.default,this.selection=null,this.introspection=!1,this.resetTime(),this.container=r.container,this.lights=null,this.background=null,this.createListeners(),this.updating=0,this.generation=e.generation,this.last_complete_generation=e.generation,this.setupDebug(),this.log_level=r.logLevel||"warn",T.default.setLevel(this.log_level)}return k.default(e,[{key:"load",value:function(){var e=this,t=arguments.length<=0||void 0===arguments[0]?null:arguments[0],r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return this.initializing?this.initializing:(this.updating++,this.initialized=!1,this.createCanvas(),this.initializing=this.loadScene(t,r).then(function(){return e.createWorkers()}).then(function(){e.resetFeatureSelection();var t="object"===y.default(e.config_source)||e.hasSubscribersFor("load");return e.updateConfig({serialize_funcs:t,fade_in:!0})}).then(function(){e.updating--,e.initializing=null,e.initialized=!0,e.last_valid_config_source=e.config_source,e.last_valid_config_path=e.config_path,e.render_loop!==!1&&e.setupRenderLoop(),e.requestRedraw()}).catch(function(t){e.initializing=null,e.updating=0;var r=void 0,n=void 0;if("YAMLException"===t.name?(r="yaml",n="Error parsing scene YAML"):n="Error initializing scene",e.trigger("error",{type:r,message:n,error:t,url:e.config_source}),n="Scene.load() failed to load "+e.config_source+": "+t.message,e.last_valid_config_source)return T.default("warn",n,t),T.default("info","Scene.load() reverting to last valid configuration"),e.load(e.last_valid_config_source,e.last_valid_config_path);throw T.default("error",n,t),t}),this.initializing)}},{key:"reload",value:function(){var e=arguments.length<=0||void 0===arguments[0]?null:arguments[0],t=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return this.load(e,t)}},{key:"destroy",value:function(){if(this.initialized=!1,this.render_loop_stop=!0,this.destroyListeners(),this.canvas&&this.canvas.parentNode&&(this.canvas.parentNode.removeChild(this.canvas),this.canvas=null),this.container=null,this.selection&&this.selection.destroy(),this.gl){L.default.destroy(this.gl),this.style_manager.destroy(this.gl),this.styles={};var e=this.gl.getExtension("WEBGL_lose_context");e&&e.loseContext(),this.gl=null}this.sources={},this.destroyWorkers(),this.tile_manager.destroy(),this.tile_manager=null}},{key:"createCanvas",value:function(){if(!this.canvas){this.container=this.container||document.body,this.canvas=document.createElement("canvas"),this.canvas.style.position="absolute",this.canvas.style.top=0,this.canvas.style.left=0,this.container.style.backgroundColor="transparent",this.container.appendChild(this.canvas);try{this.gl=P.default.getContext(this.canvas,{alpha:!0,premultipliedAlpha:!0,device_pixel_ratio:S.default.device_pixel_ratio})}catch(e){throw new Error("Couldn't create WebGL context. Your browser may not support WebGL, or it's turned off? Visit http://webglreport.com/ for more info.")}this.resizeMap(this.container.clientWidth,this.container.clientHeight),I.default.init(this.gl),this.render_states=new et.default(this.gl),this.media_capture.setCanvas(this.canvas)}}},{key:"getWorkerUrl",value:function(){var e=this.worker_url||S.default.findCurrentURL("tangram.debug.js","tangram.min.js");if(!e)throw new Error("Can't load worker because couldn't find base URL that library was loaded from");var t=[].concat(g.default(this.data_source_scripts));t.push(e);var r="importScripts("+t.map(function(e){return"'"+e+"'"}).join(",")+");";return S.default.createObjectURL(new Blob([r],{type:"application/javascript"}))}},{key:"updateDataSourceScripts",value:function(){var e,t=this,r=[].concat(g.default(this.data_source_scripts||[])),n=m.default(this.config.sources).map(function(e){return t.config.sources[e].scripts}).filter(function(e){return e});return n.length>0&&T.default("debug","loading custom data source scripts in worker:",n),this.data_source_scripts=(e=[]).concat.apply(e,g.default(n)).sort(),!(this.data_source_scripts.length===r.length&&this.data_source_scripts.every(function(e,t){return e===r[t]}))}},{key:"createWorkers",value:function(){return this.updateDataSourceScripts()&&this.destroyWorkers(),this.workers?d.default.resolve():this.makeWorkers(this.getWorkerUrl())}},{key:"makeWorkers",value:function(e){var t=this,r=[];this.workers=[];for(var n=function(){a=new Worker(e),t.workers[i]=a,j.default.addWorker(a),T.default("debug","Scene.makeWorkers: initializing worker "+i);var n=i;r.push(j.default.postMessage(a,"self.init",t.id,i,t.num_workers,t.log_level,S.default.device_pixel_ratio).then(function(e){return T.default("debug","Scene.makeWorkers: initialized worker "+e),e},function(e){return T.default("error","Scene.makeWorkers: failed to initialize worker "+n+":",e),d.default.reject(e)}))},i=0;i<this.num_workers;i++){var a;n()}return this.next_worker=0,d.default.all(r).then(function(){T.default.setWorkers(t.workers);var e=t.gl.getExtension("OES_element_index_uint")?!0:!1;j.default.postMessage(t.workers,"VertexElements.setUint32Flag",e)})}},{key:"destroyWorkers",value:function(){Array.isArray(this.workers)&&(T.default.setWorkers(null),this.workers.forEach(function(e){e.terminate(),j.default.removeWorker(e)}),this.workers=null)}},{key:"nextWorker",value:function(){var e=this.workers[this.next_worker];return this.next_worker=(this.next_worker+1)%this.workers.length,e}},{key:"ready",value:function(){return this.view.ready()&&0!==m.default(this.sources).length?!0:!1}},{key:"updateDevicePixelRatio",value:function(){var e=this;S.default.updateDevicePixelRatio()&&j.default.postMessage(this.workers,"self.updateDevicePixelRatio",S.default.device_pixel_ratio).then(function(){return e.rebuild()}).then(function(){return e.resizeMap(e.view.size.css.width,e.view.size.css.height)})}},{key:"resizeMap",value:function(e,t){(0!==e||0!==t)&&(this.dirty=!0,this.view.setViewportSize(e,t),this.gl&&P.default.resize(this.gl,e,t,S.default.device_pixel_ratio))}},{key:"requestRedraw",value:function(){this.dirty=!0}},{key:"immediateRedraw",value:function(){this.dirty=!0,this.update()}},{key:"renderLoop",value:function(){this.render_loop_active=!0,this.initialized&&this.update(),this.render_loop_stop?(this.render_loop_stop=!1,this.render_loop_active=!1):window.requestAnimationFrame(this.renderLoop.bind(this))}},{key:"setupRenderLoop",value:function(){var e=this;this.render_loop_active||setTimeout(function(){e.renderLoop()},0)}},{key:"update",value:function(){var e=!(this.dirty===!1||this.initialized===!1||this.updating>0||this.ready()===!1);return"function"==typeof this.preUpdate&&this.preUpdate(e),e?(this.dirty=!1,this.updateDevicePixelRatio(),this.render(),this.updateViewComplete(),this.media_capture.completeScreenshot(),"function"==typeof this.postUpdate&&this.postUpdate(e),this.animated===!0&&(this.dirty=!0),this.frame++,T.default("trace","Scene.render()"),!0):!1}},{key:"render",value:function(){var e=this,t=this.gl;if(this.view.update(),m.default(this.active_styles).forEach(function(t){return e.styles[t].update()}),m.default(this.lights).forEach(function(t){return e.lights[t].update()}),this.renderable_tiles=this.tile_manager.getRenderableTiles(),this.renderable_tiles_count=this.renderable_tiles.length,this.render_count=this.renderPass(),this.selection.pendingRequests()){if(this.view.panning||this.view.zooming)return void this.selection.clearPendingRequests();this.selection.bind(),this.renderPass("selection_program",{allow_blend:!1}),this.selection.read(),t.bindFramebuffer(t.FRAMEBUFFER,null),t.viewport(0,0,this.canvas.width,this.canvas.height)}return this.render_count_changed=!1,this.render_count!==this.last_render_count&&(this.render_count_changed=!0,this.getFeatureSelectionMapSize().then(function(t){t&&T.default("info","Scene: rendered "+e.render_count+" primitives ("+t+" features in selection map)")})),this.last_render_count=this.render_count,!0}},{key:"renderPass",value:function(){var e=this,t=arguments.length<=0||void 0===arguments[0]?"program":arguments[0],r=arguments.length<=1||void 0===arguments[1]?{}:arguments[1],n=r.allow_blend;n=null==n?!0:n,this.clearFrame({clear_color:!0,clear_depth:!0});for(var i=m.default(this.active_styles).map(function(t){return e.styles[t]
 14 }).sort(U.Style.blendOrderSort),a=0,o=void 0,s=0;s<i.length;s++){var l=i[s];if(l.blend!==o){var u=f.default({},U.Style.render_states[l.blend],{blend:n&&l.blend});this.setRenderState(u)}a+=this.renderStyle(l.name,t),o=l.blend}return a}},{key:"renderStyle",value:function(e,t){var r=!0,n=0,i=this.styles[e][t];if(!i||!i.compiled)return 0;for(var a=0;a<this.renderable_tiles.length;a++){var o=this.renderable_tiles[a];if(null!=o.meshes[e]){if(r===!0){r=!1,i.use(),this.styles[e].setup(),i.uniform("1f","u_time",this.animated?(+new Date-this.start_time)/1e3:0),this.view.setupProgram(i);for(var s in this.lights)this.lights[s].setupProgram(i)}o.shouldProxyForStyle(e)&&(this.view.setupTile(o,i),this.styles[e].render(o.meshes[e])&&(this.view.panning||this.view.zooming||this.requestRedraw()),n+=o.meshes[e].geometry_count)}}return n}},{key:"clearFrame",value:function(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],t=e.clear_color,r=e.clear_depth;if(this.initialized){t=t===!1?!1:!0,r=r===!1?!1:!0,this.render_states.depth_write.set({depth_write:r});var n=this.gl;if(t||r){var i=(t&&n.COLOR_BUFFER_BIT)|(r&&n.DEPTH_BUFFER_BIT);n.clear(i)}}}},{key:"setRenderState",value:function(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],t=e.depth_test,r=e.depth_write,n=e.cull_face,i=e.blend;if(this.initialized){var a=this.render_states;t=t===!1?!1:a.defaults.depth_test,r=r===!1?!1:a.defaults.depth_write,n=n===!1?!1:a.defaults.culling,i=null!=i?i:a.defaults.blending;var o=this.gl;a.depth_test.set({depth_test:t}),a.depth_write.set({depth_write:r}),a.culling.set({cull:n,face:a.defaults.culling_face}),i?"opaque"===i?a.blending.set({blend:!0,src:o.SRC_ALPHA,dst:o.ZERO}):"overlay"===i||"inlay"===i?a.blending.set({blend:!0,src:o.SRC_ALPHA,dst:o.ONE_MINUS_SRC_ALPHA,src_alpha:o.ONE,dst_alpha:o.ONE_MINUS_SRC_ALPHA}):"add"===i?a.blending.set({blend:!0,src:o.ONE,dst:o.ONE,src_alpha:o.ONE,dst_alpha:o.ONE_MINUS_SRC_ALPHA}):"multiply"===i&&a.blending.set({blend:!0,src:o.ZERO,dst:o.SRC_COLOR,src_alpha:o.ONE,dst_alpha:o.ONE_MINUS_SRC_ALPHA}):a.blending.set({blend:!1})}}},{key:"getFeatureAt",value:function(e){if(!this.initialized)return T.default("debug","Scene.getFeatureAt() called before scene was initialized"),d.default.resolve();var t={x:e.x*S.default.device_pixel_ratio/this.view.size.device.width,y:e.y*S.default.device_pixel_ratio/this.view.size.device.height};return this.dirty=!0,this.selection.getFeatureAt(t).then(function(t){return f.default(t,{pixel:e})}).catch(function(e){return d.default.resolve({error:e})})}},{key:"rebuild",value:function(e){return this.rebuildGeometry(e)}},{key:"rebuildGeometry",value:function(){var e=this,t=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],r=t.sync,n=void 0===r?!0:r,i=t.sources,a=void 0===i?null:i,o=t.serialize_funcs,s=t.profile,l=void 0===s?!1:s,u=t.fade_in,c=void 0===u?!1:u;return new d.default(function(t,r){return e.building?(e.building.queued&&e.building.queued.reject&&(T.default("debug","Scene.rebuild: request superceded by a newer call"),e.building.queued.resolve(!1)),e.building.queued={resolve:t,reject:r},void T.default("trace","Scene.rebuild(): queuing request")):(e.building={resolve:t,reject:r},l&&e._profile("Scene.rebuild"),n&&(e.syncConfigToWorker({serialize_funcs:o}),e.style_manager.compile(e.updateActiveStyles(),e)),e.resetFeatureSelection(),e.resetTime(),e.tile_manager.pruneToVisibleTiles(),e.tile_manager.forEachTile(function(t){(!a||a.indexOf(t.source.name)>-1)&&e.tile_manager.buildTile(t,{fade_in:c})}),e.tile_manager.updateTilesForView(),void e.tile_manager.checkBuildQueue())}).then(function(){l&&e._profileEnd("Scene.rebuild")})}},{key:"tileManagerBuildDone",value:function(){if(this.building){T.default("info","Scene: build geometry finished"),this.building.resolve&&this.building.resolve(!0);var e=this.building.queued;this.building=null,e&&(T.default("debug","Scene: starting queued rebuild() request"),this.rebuild().then(e.resolve,e.reject))}}},{key:"loadScene",value:function(){var e=this,t=arguments.length<=0||void 0===arguments[0]?null:arguments[0],r=arguments.length<=1||void 0===arguments[1]?null:arguments[1];return this.config_source=t||this.config_source,this.config_globals_applied=[],this.config_path=S.default.pathForURL("string"==typeof this.config_source?r||this.config_source:r),G.default.loadScene(this.config_source,this.config_path).then(function(t){return e.config=t,e.trigger("load",{config:e.config}),e.config})}},{key:"setDataSource",value:function(e,t){if(!e||!t||!t.type||!t.url&&!t.data)return void T.default("error","No name provided or not a valid config:",e,t);var r=null==this.config.sources[e],n=this.config.sources[e]=f.default({},t);return n.data&&"object"===y.default(n.data)&&(n.url=S.default.createObjectURL(new Blob([u.default(n.data)])),delete n.data),r?this.updateConfig({rebuild:{sources:[e]}}):this.rebuild({sources:[e]})}},{key:"createDataSources",value:function(){var e=[],t=m.default(this.sources);for(var r in this.config.sources){var 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t=e.config,r=e.generation,n=e.introspection;t=JSON.parse(t),self.last_config=k.default({},self.config),self.config=k.default({},t),self.generation=r,self.introspection=n;for(var i in t.layers)t.layers[i]&&(t.layers[i].data=g.default.stringsToFunctions(t.layers[i].data));self.global=g.default.stringsToFunctions(t.global),self.createDataSources(t),t.styles=g.default.stringsToFunctions(t.styles,M.StyleParser.wrapFunction),self.styles=self.style_manager.build(t.styles),self.style_manager.initStyles({generation:self.generation,styles:self.styles,sources:self.sources.tiles,introspection:self.introspection}),self.layers=C.parseLayers(t.layers,self.style_manager.styles),self.syncing_textures=self.syncTextures(t.textures),self.configuring=self.syncing_textures.then(function(){y.default("debug","updated config")})},createDataSources:function(e){e.sources=g.default.stringsToFunctions(e.sources),self.sources.tiles={};for(var t in e.sources){var r=void 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t=this.gl.createRenderbuffer();this.gl.bindRenderbuffer(this.gl.RENDERBUFFER,t),this.gl.renderbufferStorage(this.gl.RENDERBUFFER,this.gl.DEPTH_COMPONENT16,this.fbo_size.width,this.fbo_size.height),this.gl.framebufferRenderbuffer(this.gl.FRAMEBUFFER,this.gl.DEPTH_ATTACHMENT,this.gl.RENDERBUFFER,t),this.gl.bindFramebuffer(this.gl.FRAMEBUFFER,null)}},{key:"destroy",value:function(){this.gl&&this.fbo&&(this.gl.deleteFramebuffer(this.fbo),this.fbo=null,this.gl.bindFramebuffer(this.gl.FRAMEBUFFER,null))}},{key:"bind",value:function(){this.gl.bindFramebuffer(this.gl.FRAMEBUFFER,this.fbo),this.gl.viewport(0,0,this.fbo_size.width,this.fbo_size.height)}},{key:"getFeatureAt",value:function(e){var t=this;return new s.default(function(r,n){t.selection_request_id=t.selection_request_id+1||0,t.requests[t.selection_request_id]={type:"point",id:t.selection_request_id,point:e,resolve:r,reject:n}})}},{key:"pendingRequests",value:function(){return this.requests}},{key:"clearPendingRequests",value:function(){for(var e in this.requests){var t=this.requests[e];t.sent||(t.reject({request:t}),delete this.requests[e])}}},{key:"read",value:function(){var e=this;null!=this.read_delay_timer&&clearTimeout(this.read_delay_timer),this.read_delay_timer=setTimeout(function(){var t=e.gl;t.bindFramebuffer(t.FRAMEBUFFER,e.fbo);for(var r in e.requests){var n=e.requests[r];if(!n.sent&&"point"===n.type){t.readPixels(Math.floor(n.point.x*e.fbo_size.width),Math.floor((1-n.point.y)*e.fbo_size.height),1,1,t.RGBA,t.UNSIGNED_BYTE,e.pixel);
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this.map[u]={color:[a,o,s,l]},this.map_size++,this.tiles[e.key]||(this.tiles[e.key]={entries:[],tile:{key:e.key,coords:e.coords,style_zoom:e.style_zoom,source:e.source,generation:e.generation}}),this.tiles[e.key].entries.push(u),this.map[u]}},{key:"makeColor",value:function(e,t,r){var n=this.makeEntry(t);return n.feature={id:e.id,properties:e.properties,source_name:r.source,source_layer:r.layer,layers:r.layers,tile:this.tiles[t.key].tile},n.color}},{key:"reset",value:function(){this.tiles={},this.map={},this.map_size=0,this.map_entry=0}},{key:"clearTile",value:function(e){var t=this;this.tiles[e]&&(this.tiles[e].entries.forEach(function(e){return delete t.map[e]}),this.map_size-=this.tiles[e].entries.length,delete this.tiles[e])}},{key:"getMapSize",value:function(){return 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e.default_winding=t.default_winding||"CCW",e})}},{key:"_load",value:function(){throw new C.MethodNotImplemented("_load")}},{key:"updateDefaultWinding",value:function(e){return null==this.default_winding&&("Polygon"===e.type?this.default_winding=z.default.ringWinding(e.coordinates[0]):"MultiPolygon"===e.type&&(this.default_winding=z.default.ringWinding(e.coordinates[0][0]))),this.default_winding}},{key:"includesTile",value:function(e,t){if(e.z<this.min_display_zoom||null!=this.max_display_zoom&&t>this.max_display_zoom)return!1;var r=!0,n=!1,i=void 0;try{for(var a,o=x.default(this.rasters);!(r=(a=o.next()).done);r=!0){var s=a.value;if(this.sources[s]&&this.sources[s]!==this&&!this.sources[s].includesTile(e,e.z))return!1}}catch(l){n=!0,i=l}finally{try{!r&&o.return&&o.return()}finally{if(n)throw i}}return!0}}],[{key:"create",value:function(t,r){return e.types[t.type]?new e.types[t.type](t,r):void 0}},{key:"changed",value:function(e,t){if(!e||!t)return!0;var r=y.default({},e.config,{id:null}),n=y.default({},t.config,{id:null});return g.default(r)!==g.default(n)}},{key:"projectData",value:function(e){var t=+new Date;for(var r in e.layers)for(var n=e.layers[r].features.length,i=0;n>i;i++){var a=e.layers[r].features[i];z.default.transformGeometry(a.geometry,function(e){var t=z.default.latLngToMeters(e),r=m.default(t,2),n=r[0],i=r[1];e[0]=n,e[1]=i})}void 0!==e.debug&&(e.debug.projection=+new Date-t)}},{key:"scaleData",value:function(e,t){var r=t.coords.z,n=t.min,i=(t.max,z.default.unitsPerMeter(r));for(var a in e.layers)for(var o=e.layers[a].features.length,s=0;o>s;s++){var l=e.layers[a].features[s];z.default.transformGeometry(l.geometry,function(e){e[0]=(e[0]-n.x)*i,e[1]=(e[1]-n.y)*i*-1})}}},{key:"register",value:function(t,r){t&&r&&(e.types[r]=t)}}]),e}();r.default=L,L.types={};{var O=r.NetworkSource=function(e){function t(e,r){S.default(this,t);var n=f.default(this,u.default(t).call(this,e,r));if(n.url=N.default.addParamsToURL(e.url,e.url_params),n.response_type="",null==n.url)throw Error("Network data source must provide a `url` property");return n}return d.default(t,e),j.default(t,[{key:"_load",value:function(e){var t=this,r=this.formatUrl(this.url,e),n=e.source_data;return n.url=r,e.debug=e.debug||{},e.debug.network=+new Date,new s.default(function(i){n.error=null;var a=N.default.io(r,6e4,t.response_type);n.request=a.request,a.then(function(r){e.debug.response_size=r.length||r.byteLength,e.debug.network=+new Date-e.debug.network,e.debug.parsing=+new Date,t.parseSourceData(e,n,r),e.debug.parsing=+new Date-e.debug.parsing,i(e)}).catch(function(t){n.error=t.stack,i(e)})})}},{key:"formatUrl",value:function(){throw new C.MethodNotImplemented("formatUrl")}},{key:"parseSourceData",value:function(){throw new C.MethodNotImplemented("parseSourceData")}}]),t}(L);r.NetworkTileSource=function(e){function t(e,r){S.default(this,t);var n=f.default(this,u.default(t).call(this,e,r));n.tiled=!0,n.parseBounds(e),n.builds_geometry_tiles=!1,n.tms=e.tms===!0,n.url_hosts=null;var i=n.url.match(/{s:\[([^}+]+)\]}/);return null!=i&&i.length>1&&(n.url_hosts=i[1].split(","),n.next_host=0),n}return d.default(t,e),j.default(t,[{key:"parseBounds",value:function(e){if(Array.isArray(e.bounds)&&4===e.bounds.length){this.bounds=e.bounds;var t=m.default(this.bounds,4),r=t[0],n=t[1],i=t[2],a=t[3];this.bounds_meters={min:z.default.latLngToMeters([r,a]),max:z.default.latLngToMeters([i,n])},this.bounds_tiles={min:{},max:{}}}}},{key:"checkBounds",value:function(e){if(this.bounds){e=z.default.wrapTile(e,{x:!0});var t=this.bounds_tiles.min[e.z];t||(t=this.bounds_tiles.min[e.z]=z.default.tileForMeters(this.bounds_meters.min,e.z));var r=this.bounds_tiles.max[e.z];if(r||(r=this.bounds_tiles.max[e.z]=z.default.tileForMeters(this.bounds_meters.max,e.z)),e.x<t.x||e.x>r.x||e.y<t.y||e.y>r.y)return!1}return!0}},{key:"includesTile",value:function(e,r){return a.default(u.default(t.prototype),"includesTile",this).call(this,e,r)&&this.checkBounds(e)?!0:!1}},{key:"formatUrl",value:function(e,t){var r=z.default.wrapTile(t.coords,{x:!0});this.tms&&(r.y=Math.pow(2,r.z)-1-r.y);var n=e.replace("{x}",r.x).replace("{y}",r.y).replace("{z}",r.z);return null!=this.url_hosts&&(n=n.replace(/{s:\[([^}+]+)\]}/,this.url_hosts[this.next_host]),this.next_host=(this.next_host+1)%this.url_hosts.length),n}},{key:"urlHasTilePattern",value:function(e){return 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context.meters_per_pixel_sq":e}}},{"../utils/log":352,"../utils/merge":354,"../utils/utils":358,"./style_parser":340,"babel-runtime/core-js/json/stringify":6,"babel-runtime/core-js/object/assign":9,"babel-runtime/core-js/object/get-prototype-of":14,"babel-runtime/core-js/object/keys":15,"babel-runtime/helpers/classCallCheck":21,"babel-runtime/helpers/createClass":22,"babel-runtime/helpers/inherits":25,"babel-runtime/helpers/possibleConstructorReturn":26,"babel-runtime/helpers/slicedToArray":27,"babel-runtime/helpers/toConsumableArray":28,"babel-runtime/helpers/typeof":29,"match-feature":258}],333:[function(e,t,r){"use strict";function n(e){var t=arguments.length<=1||void 0===arguments[1]?{}:arguments[1],r=t.dash_color||i,n=t.background_color||a,o=e,s=t.scale||1;o.length%2===1&&Array.prototype.push.apply(o,o);for(var l=!0,u=[],c=0;c<o.length;c++){for(var f=Math.floor(o[c]*s),h=0;f>h;h++)Array.prototype.push.apply(u,l?r:n);l=!l}u=new Uint8Array(u);var d=u.length/4;return{pixels:u,length:d}}Object.defineProperty(r,"__esModule",{value:!0}),r.default=n;var i=[255,255,255,255],a=[0,0,0,0]},{}],334:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0}),r.Lines=void 0;var i=e("babel-runtime/core-js/object/assign"),a=n(i),o=e("babel-runtime/core-js/object/create"),s=n(o),l=e("../style"),u=e("../style_parser"),c=e("../../gl/constants"),f=n(c),h=e("../../gl/texture"),d=n(h),p=e("../../gl/vertex_layout"),m=n(p),_=e("../../builders/polylines"),g=e("./dasharray"),v=n(g),y=e("../../geo"),b=n(y),x=e("../polygons/polygons"),w=r.Lines=s.default(l.Style);a.default(w,{name:"lines",built_in:!0,vertex_shader_src:x.shaderSrc_polygonsVertex,fragment_shader_src:x.shaderSrc_polygonsFragment,selection:!0,init:function(){l.Style.init.apply(this,arguments);var e=[{name:"a_position",size:4,type:f.default.SHORT,normalized:!1},{name:"a_extrude",size:4,type:f.default.SHORT,normalized:!1},{name:"a_color",size:4,type:f.default.UNSIGNED_BYTE,normalized:!0}];this.defines.TANGRAM_LAYER_ORDER=!0,this.defines.TANGRAM_EXTRUDE_LINES=!0,this.selection&&e.push({name:"a_selection_color",size:4,type:f.default.UNSIGNED_BYTE,normalized:!0}),(this.texture||this.dash)&&(this.texcoords=!0),this.texcoords&&(this.defines.TANGRAM_TEXTURE_COORDS=!0,this.defines.TANGRAM_DASH_SCALE=1,this.defines.TANGRAM_V_SCALE_ADJUST=b.default.tile_scale*this.defines.TANGRAM_DASH_SCALE,e.push({name:"a_texcoord",size:2,type:f.default.UNSIGNED_SHORT,normalized:!0})),this.vertex_layout=new m.default(e),this.outline_feature_style={},this.inline_feature_style=this.feature_style},compile:function(){return this.parseLineTexture(),l.Style.compile.apply(this,arguments)},parseLineTexture:function(){var e=this;if(this.dash){this.dash_background_color&&(this.dash_background_color=u.StyleParser.parseColor(this.dash_background_color),this.defines.TANGRAM_LINE_BACKGROUND_COLOR="vec3("+this.dash_background_color.slice(0,3).join(", ")+")"),this.defines.TANGRAM_DASH_SCALE=20,this.defines.TANGRAM_V_SCALE_ADJUST=b.default.tile_scale*this.defines.TANGRAM_DASH_SCALE;var t=v.default(this.dash,{scale:this.defines.TANGRAM_DASH_SCALE});this.texture="_"+this.name+"_dasharray",d.default.create(this.gl,this.texture,{data:t.pixels,height:t.length,width:1,filtering:"nearest"})}this.texture&&(this.defines.TANGRAM_LINE_TEXTURE=!0,this.defines.TANGRAM_ALPHA_TEST=.5,this.shaders.uniforms=this.shaders.uniforms||{},this.shaders.uniforms.u_texture=this.texture,this.shaders.uniforms.u_texture_ratio=1,d.default.getInfo(this.texture).then(function(t){t&&(e.shaders.uniforms.u_texture_ratio=t.height/t.width)}))},calcWidth:function(e,t){return e&&u.StyleParser.evalCachedDistanceProperty(e,t)||0},calcWidthNextZoom:function(e,t){t.zoom++;var r=this.calcWidth(e,t);return t.zoom--,r},_parseFeature:function(e,t,r){var n=this.feature_style,i=this.calcWidth(t.width,r);if(!(0>i)){var a=this.calcWidthNextZoom(t.next_width,r);if(!(0===i&&0===a||0>a)&&(n.width=i*r.units_per_meter_overzoom,n.next_width=2*a-i,n.next_width*=r.units_per_meter_overzoom,n.next_width/=2,n.color=this.parseColor(t.color,r),n.color)){if(n.z=t.z&&u.StyleParser.evalCachedDistanceProperty(t.z||0,r)||u.StyleParser.defaults.z,n.height=e.properties.height||u.StyleParser.defaults.height,n.extrude=u.StyleParser.evalProperty(t.extrude,r),n.extrude&&("number"==typeof n.extrude?n.height=n.extrude:Array.isArray(n.extrude)&&(n.height=n.extrude[1])),n.extrude&&n.height&&(n.z+=n.height),n.z*=b.default.height_scale,n.height*=b.default.height_scale,n.cap=t.cap,n.join=t.join,n.miter_limit=t.miter_limit,n.tile_edges=t.tile_edges,n.outline=n.outline||{width:{},next_width:{},preprocessed:!0},t.outline&&t.outline.visible!==!1&&t.outline.color&&t.outline.width){var o=2*this.calcWidth(t.outline.width,r),s=2*this.calcWidthNextZoom(t.outline.next_width,r);
 16 0===o&&0===s||0>o||0>s?(n.outline.width.value=null,n.outline.next_width.value=null,n.outline.color=null):(n.outline.width.value=o+i,n.outline.next_width.value=s+a,n.outline.color=t.outline.color,n.outline.cap=t.outline.cap||t.cap,n.outline.join=t.outline.join||t.join,n.outline.miter_limit=t.outline.miter_limit||t.miter_limit,n.outline.style=t.outline.style||this.name,n.outline.order=t.outline.order?this.parseOrder(t.outline.order,r):n.order,n.outline.order>n.order&&(n.outline.order=n.order),n.outline.order-=.5)}else n.outline.width.value=null,n.outline.next_width.value=null,n.outline.color=null;return n}}},_preprocess:function(e){return e.color=u.StyleParser.createColorPropertyCache(e.color),e.width=u.StyleParser.createPropertyCache(e.width,u.StyleParser.parseUnits),e.next_width=u.StyleParser.createPropertyCache(e.width,u.StyleParser.parseUnits),e.z=u.StyleParser.createPropertyCache(e.z,u.StyleParser.parseUnits),e.outline&&(e.outline.color=u.StyleParser.createColorPropertyCache(e.outline.color),e.outline.width=u.StyleParser.createPropertyCache(e.outline.width,u.StyleParser.parseUnits),e.outline.next_width=u.StyleParser.createPropertyCache(e.outline.width,u.StyleParser.parseUnits)),e},makeVertexTemplate:function(e){var t=0;return this.vertex_template[t++]=0,this.vertex_template[t++]=0,this.vertex_template[t++]=e.z||0,this.vertex_template[t++]=this.scaleOrder(e.order),this.vertex_template[t++]=0,this.vertex_template[t++]=0,this.vertex_template[t++]=0,this.vertex_template[t++]=e.next_width,this.vertex_template[t++]=255*e.color[0],this.vertex_template[t++]=255*e.color[1],this.vertex_template[t++]=255*e.color[2],this.vertex_template[t++]=255*e.color[3],this.selection&&(this.vertex_template[t++]=255*e.selection_color[0],this.vertex_template[t++]=255*e.selection_color[1],this.vertex_template[t++]=255*e.selection_color[2],this.vertex_template[t++]=255*e.selection_color[3]),this.texcoords&&(this.vertex_template[t++]=0,this.vertex_template[t++]=0),this.vertex_template},buildLines:function(e,t,r,n,i){if(this.feature_style=this.outline_feature_style,t.outline&&null!=t.outline.color&&null!=t.outline.width.value){var a=this.styles[t.outline.style];a&&a.addFeature(n.feature,t.outline,n)}this.feature_style=this.inline_feature_style;var o=this.makeVertexTemplate(t);_.buildPolylines(e,t.width,r,o,{cap:t.cap,join:t.join,miter_limit:t.miter_limit,scaling_index:this.vertex_layout.index.a_extrude,scaling_normalize:256,texcoord_index:this.vertex_layout.index.a_texcoord,texcoord_width:(t.width||t.next_width)/n.tile.overzoom2,texcoord_normalize:65535,closed_polygon:i&&i.closed_polygon,remove_tile_edges:!t.tile_edges&&i&&i.remove_tile_edges,tile_edge_tolerance:b.default.tile_scale*n.tile.pad_scale*4})},buildPolygons:function(e,t,r,n){for(var i=0;i<e.length;i++)this.buildLines(e[i],t,r,n,{closed_polygon:!0,remove_tile_edges:!0})}})},{"../../builders/polylines":297,"../../geo":299,"../../gl/constants":300,"../../gl/texture":306,"../../gl/vertex_layout":311,"../polygons/polygons":336,"../style":338,"../style_parser":340,"./dasharray":333,"babel-runtime/core-js/object/assign":9,"babel-runtime/core-js/object/create":10}],335:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0}),r.Points=void 0;var i=e("babel-runtime/helpers/slicedToArray"),a=n(i),o=e("babel-runtime/core-js/promise"),s=n(o),l=e("babel-runtime/core-js/object/assign"),u=n(l),c=e("babel-runtime/core-js/object/create"),f=n(c),h=e("../../utils/log"),d=n(h),p=e("../style"),m=e("../style_parser"),_=e("../../gl/constants"),g=n(_),v=e("../../gl/vertex_layout"),y=n(v),b=e("../../builders/points"),x=e("../../gl/texture"),w=n(x),k=e("../../geo"),A=n(k),T=e("../../vector"),E=n(T),S=e("../../labels/collision"),R=n(S),j=e("../../labels/label_point"),M=n(j),z=e("../text/text_labels"),C=e("../../utils/debug_settings"),P=n(C),N="uniform vec2 u_resolution;\nuniform float u_time;\nuniform vec3 u_map_position;\nuniform vec4 u_tile_origin;\nuniform float u_tile_proxy_depth;\nuniform float u_meters_per_pixel;\nuniform float u_device_pixel_ratio;\nuniform float u_visible_time;\nuniform bool u_fade_in;\n\nuniform mat4 u_model;\nuniform mat4 u_modelView;\nuniform mat3 u_normalMatrix;\nuniform mat3 u_inverseNormalMatrix;\n\nattribute vec4 a_position;\nattribute vec4 a_shape;\nattribute vec4 a_color;\nattribute vec2 a_texcoord;\nattribute vec2 a_offset;\n\n#define TANGRAM_NORMAL vec3(0., 0., 1.)\n\nvarying vec4 v_color;\nvarying vec2 v_texcoord;\nvarying vec4 v_world_position;\n\n#ifdef TANGRAM_MULTI_SAMPLER\nvarying float v_sampler;\n#endif\n\n#pragma tangram: camera\n#pragma tangram: material\n#pragma tangram: lighting\n#pragma tangram: raster\n#pragma tangram: global\n\nvec2 rotate2D(vec2 _st, float _angle) {\n    return mat2(cos(_angle),-sin(_angle),\n                sin(_angle),cos(_angle)) * _st;\n}\n\nvoid main() {\n    // Initialize globals\n    #pragma tangram: setup\n\n    v_color = a_color;\n    v_texcoord = a_texcoord;\n\n    // Position\n    vec4 position = u_modelView * vec4(a_position.xyz, 1.);\n\n    // Apply positioning and scaling in screen space\n    vec2 shape = a_shape.xy / 256.;                 // values have an 8-bit fraction\n    vec2 offset = vec2(a_offset.x, -a_offset.y);    // flip y to make it point down\n    float theta = a_shape.z / 4096.;                // values have a 12-bit fraction\n\n    #ifdef TANGRAM_MULTI_SAMPLER\n    v_sampler = a_shape.w; // texture sampler\n    #endif\n\n    shape = rotate2D(shape, theta);     // apply rotation to vertex\n    shape += rotate2D(offset, theta);   // apply offset on rotated axis (e.g. so line labels follow text axis)\n\n    // World coordinates for 3d procedural textures\n    v_world_position = u_model * position;\n    v_world_position.xy += shape * u_meters_per_pixel;\n    v_world_position = wrapWorldPosition(v_world_position);\n\n    // Modify position before camera projection\n    #pragma tangram: position\n\n    cameraProjection(position);\n\n    #ifdef TANGRAM_LAYER_ORDER\n        // +1 is to keep all layers including proxies > 0\n        applyLayerOrder(a_position.w + u_tile_proxy_depth + 1., position);\n    #endif\n\n    // Apply pixel offset in screen-space\n    // Multiply by 2 is because screen is 2 units wide Normalized Device Coords (and u_resolution device pixels wide)\n    // Device pixel ratio adjustment is because shape is in logical pixels\n    position.xy += shape * position.w * 2. * u_device_pixel_ratio / u_resolution;\n\n    gl_Position = position;\n}\n",L="uniform vec2 u_resolution;\nuniform float u_time;\nuniform vec3 u_map_position;\nuniform vec4 u_tile_origin;\nuniform float u_meters_per_pixel;\nuniform float u_device_pixel_ratio;\nuniform float u_visible_time;\nuniform bool u_fade_in;\n\nuniform mat3 u_normalMatrix;\nuniform mat3 u_inverseNormalMatrix;\n\nuniform sampler2D u_texture;\n\n#ifdef TANGRAM_MULTI_SAMPLER\nuniform sampler2D u_label_texture;\nvarying float v_sampler;\n#endif\n\nvarying vec4 v_color;\nvarying vec2 v_texcoord;\nvarying vec4 v_world_position;\n\n#define TANGRAM_NORMAL vec3(0., 0., 1.)\n\n// Alpha discard threshold (substitute for alpha blending)\n#ifndef TANGRAM_ALPHA_TEST\n#define TANGRAM_ALPHA_TEST 0.5\n#endif\n\n// Alpha fade range for edges of points\n#ifndef TANGRAM_FADE_RANGE\n#define TANGRAM_FADE_RANGE .15\n#endif\n#define TANGRAM_FADE_START (1. - TANGRAM_FADE_RANGE)\n\n#pragma tangram: camera\n#pragma tangram: material\n#pragma tangram: lighting\n#pragma tangram: raster\n#pragma tangram: global\n\nvoid main (void) {\n    // Initialize globals\n    #pragma tangram: setup\n\n    vec4 color = v_color;\n\n    #ifdef TANGRAM_MULTI_SAMPLER\n    if (v_sampler == 0.) { // sprite sampler\n    #endif\n        #ifdef TANGRAM_POINT_TEXTURE\n            // Draw sprite\n            color *= texture2D(u_texture, v_texcoord);\n        #else\n            // Draw a point\n            vec2 uv = v_texcoord * 2. - 1.; // fade alpha near circle edge\n            float point_dist = length(uv);\n            color.a = clamp(color.a - (smoothstep(0., TANGRAM_FADE_RANGE, (point_dist - TANGRAM_FADE_START)) / TANGRAM_FADE_RANGE), 0., color.a);\n        #endif\n    #ifdef TANGRAM_MULTI_SAMPLER\n    }\n    else { // label sampler\n        color = texture2D(u_label_texture, v_texcoord);\n        color.rgb /= max(color.a, 0.001); // un-multiply canvas texture\n    }\n    #endif\n\n    // Manually un-multiply alpha, for cases where texture has pre-multiplied alpha\n    #ifdef TANGRAM_UNMULTIPLY_ALPHA\n        color.rgb /= max(color.a, 0.001);\n    #endif\n\n    // If blending is off, use alpha discard as a lower-quality substitute\n    #if !defined(TANGRAM_BLEND_OVERLAY) && !defined(TANGRAM_BLEND_INLAY)\n        if (color.a < TANGRAM_ALPHA_TEST) {\n            discard;\n        }\n    #endif\n\n    #pragma tangram: color\n\n    // Fade in (if requested) based on time mesh has been visible\n    #ifdef TANGRAM_FADE_IN_RATE\n    if (u_fade_in) {\n        color.a *= clamp(u_visible_time * TANGRAM_FADE_IN_RATE, 0., 1.);\n    }\n    #endif\n\n    // Fade out when tile is zooming out, e.g. acting as proxy tiles\n    // NB: this is mostly done to compensate for text label collision happening at the label's 1x zoom. As labels\n    // in proxy tiles are scaled down, they begin to overlap, and the fade is a simple way to ease the transition.\n    #ifdef TANGRAM_FADE_ON_ZOOM_OUT\n        color.a *= clamp(1. - TANGRAM_FADE_ON_ZOOM_OUT_RATE * (u_tile_origin.z - u_map_position.z), 0., 1.);\n    #endif\n\n    #pragma tangram: filter\n\n    gl_FragColor = color;\n}\n",O=r.Points=f.default(p.Style);u.default(O,z.TextLabels),u.default(O,{name:"points",built_in:!0,selection:!0,collision:!0,blend:"overlay",init:function(){arguments.length<=0||void 0===arguments[0]?{}:arguments[0];p.Style.init.apply(this,arguments),this.vertex_shader_src=N,this.fragment_shader_src=L;var e=[{name:"a_position",size:4,type:g.default.SHORT,normalized:!1},{name:"a_shape",size:4,type:g.default.SHORT,normalized:!1},{name:"a_texcoord",size:2,type:g.default.UNSIGNED_SHORT,normalized:!0},{name:"a_offset",size:2,type:g.default.SHORT,normalized:!1},{name:"a_color",size:4,type:g.default.UNSIGNED_BYTE,normalized:!0}];this.selection&&e.push({name:"a_selection_color",size:4,type:g.default.UNSIGNED_BYTE,normalized:!0}),this.vertex_layout=new y.default(e),"overlay"!==this.blend&&(this.defines.TANGRAM_LAYER_ORDER=!0),this.shaders.uniforms=this.shaders.uniforms||{},this.shaders.uniforms.u_label_texture=w.default.default,this.texture&&(this.defines.TANGRAM_POINT_TEXTURE=!0,this.shaders.uniforms.u_texture=this.texture),this.defines.TANGRAM_MULTI_SAMPLER=!0,this.defines.TANGRAM_FADE_ON_ZOOM_OUT=!0,this.defines.TANGRAM_FADE_ON_ZOOM_OUT_RATE=2,P.default.suppress_label_fade_in===!0?(this.fade_in_time=0,this.defines.TANGRAM_FADE_IN_RATE=null):(this.fade_in_time=.15,this.defines.TANGRAM_FADE_IN_RATE=1/this.fade_in_time),this.collision_group_points=this.name+"-points",this.collision_group_text=this.name+"-text",this.reset()},reset:function(){this.queues={},this.resetText(),this.texture_missing_sprites={}},addFeature:function(e,t,r){var n=r.tile;if(n.generation===this.generation&&(t=this.preprocess(t))){var i={};if(i.color=this.parseColor(t.color,r),!i.color&&!this.texture)return null;var a=i.sprite=m.StyleParser.evalProperty(t.sprite,r);if(i.sprite_default=t.sprite_default,this.texture&&w.default.textures[this.texture]&&w.default.textures[this.texture].sprites){if(!a&&!i.sprite_default)return;if(!w.default.textures[this.texture].sprites[a]){if(!i.sprite_default)return void(this.texture_missing_sprites[a]||(d.default("debug","Style: in style '"+this.name+"', could not find sprite '"+a+"' for texture '"+this.texture+"'"),this.texture_missing_sprites[a]=!0));if(a=i.sprite_default,!w.default.textures[this.texture].sprites[a])return void d.default("warn","Style: in style '"+this.name+"', could not find default sprite '"+a+"' for texture '"+this.texture+"'")}}else a&&(d.default("warn","Style: in style '"+this.name+"', sprite '"+a+"' was specified, but texture '"+this.texture+"' has no sprites"),a=null);var o=void 0;this.texture&&a?(o=w.default.getSpriteInfo(this.texture,a),i.texcoords=o.texcoords):i.texcoords=null,i.z=t.z&&m.StyleParser.evalCachedDistanceProperty(t.z,r)||m.StyleParser.defaults.z,i.size=t.size,i.size=i.size?m.StyleParser.evalCachedProperty(i.size,r):o?o.size:[16,16],i.size=[Math.min(i.size[0]||i.size,256),Math.min(i.size[1]||i.size,256)],i.angle=m.StyleParser.evalProperty(t.angle,r)*Math.PI/180||0,i.sampler=0,this.computeLayout(i,e,t,r,n);var s=t.text&&t.text.visible!==!1&&this.parseTextFeature(e,t.text,r,n);s&&(s.layout.parent=i,s.layout.priority=t.text.priority?Math.max(s.layout.priority,i.priority+.5):i.priority+.5,s.layout.move_into_tile=!1,R.default.addStyle(this.collision_group_text,n.key)),this.tile_data[n.key]||this.startData(n),this.queues[n.key].push({feature:e,draw:t,context:r,style:i,text_feature:s}),R.default.addStyle(this.collision_group_points,n.key)}},startData:function(e){return this.queues[e.key]=[],p.Style.startData.call(this,e)},endData:function(e){var t=this;if(e.canceled)return void d.default("trace","Style "+this.name+": stop tile build because tile was canceled: "+e.key);var r=this.queues[e.key];this.queues[e.key]=[];var n=[],i=[];return r.forEach(function(e){for(var r=e.style,a=e.feature,o=a.geometry,s=t.buildLabels(r.size,o,r),l=0;l<s.length;l++){var u=s[l],c={feature:a,draw:e.draw,context:e.context,style:r,label:u};if(i.push(c),e.text_feature){var f={feature:a,draw:e.text_feature.draw,context:e.context,text:e.text_feature.text,text_settings_key:e.text_feature.text_settings_key,layout:e.text_feature.layout,point_label:u,linked:c};n.push(f),e.draw.text.optional||(c.linked=f)}}}),s.default.all([R.default.collide(i,this.collision_group_points,e.key).then(function(e){e.forEach(function(e){t.feature_style=e.style,t.feature_style.label=e.label,p.Style.addFeature.call(t,e.feature,e.draw,e.context)})}),this.prepareTextLabels(e,this.collision_group_text,n).then(function(r){return t.collideAndRenderTextLabels(e,t.collision_group_text,r)})]).then(function(r){var n=a.default(r,2),i=n[1],o=i.labels,s=i.texts,l=i.texture;return o&&s&&o.forEach(function(e){var r=e.text_settings_key,n=s[r]&&s[r][e.text],i=t.feature_style;i.label=e.label,i.size=n.size.logical_size,i.texcoords=n.align[e.label.align].texcoords,i.angle=e.label.angle||0,i.sampler=1,p.Style.addFeature.call(t,e.feature,e.draw,e.context)}),t.freeText(e),p.Style.endData.call(t,e).then(function(e){return l&&e&&(e.uniforms=e.uniforms||{},e.textures=e.textures||[],e.uniforms.u_label_texture=l,e.textures.push(l)),e})})},_preprocess:function(e){return e.color=m.StyleParser.createColorPropertyCache(e.color),e.z=m.StyleParser.createPropertyCache(e.z,m.StyleParser.parseUnits),e.size=m.StyleParser.createPropertyCache(e.size,function(e){return Array.isArray(e)?e.map(parseFloat):parseFloat(e)}),e.offset=m.StyleParser.createPropertyCache(e.offset,function(e){return Array.isArray(e)&&e.map(parseFloat)||0}),e.buffer=m.StyleParser.createPropertyCache(e.buffer,function(e){return(Array.isArray(e)?e:[e,e]).map(parseFloat)||0}),e.text=this.preprocessText(e.text),e.text&&(e.text.key=e.key,e.text.anchor=e.text.anchor||this.default_anchor,e.text.optional="boolean"==typeof e.text.optional?e.text.optional:!1),e},default_anchor:["bottom","top","right","left"],computeLayout:function(e,t,r,n,i){var a=e||{};a.id=t,a.units_per_pixel=i.units_per_pixel||1,a.collide=r.collide===!1?!1:!0,a.cull_from_tile=null!=r.cull_from_tile?r.cull_from_tile:!1,a.move_into_tile=null!=r.move_into_tile?r.move_into_tile:!1,a.centroid=r.centroid,a.anchor=r.anchor,a.offset=m.StyleParser.evalCachedProperty(r.offset,n)||m.StyleParser.zeroPair,a.buffer=m.StyleParser.evalCachedProperty(r.buffer,n)||m.StyleParser.zeroPair;var o=r.priority;return null!=o?"function"==typeof o&&(o=o(n)):o=-1>>>0,a.priority=o,a},buildTextLabels:function(e,t){for(var r=[],n=0;n<t.length;n++){var i=t[n],a=this.texts[e][i.text_settings_key][i.text],o=a.size.collision_size;i.label=new M.default(i.point_label.position,o,i.layout),r.push(i)}return r},buildLabels:function(e,t,r){var n=[];if("Point"===t.type)n.push(new M.default(t.coordinates,e,r));else if("MultiPoint"===t.type)for(var i=t.coordinates,a=0;a<i.length;++a){var o=i[a];n.push(new M.default(o,e,r))}else if("LineString"===t.type)for(var s=t.coordinates,l=0;l<s.length;++l)n.push(new M.default(s[l],e,r));else if("MultiLineString"===t.type)for(var u=t.coordinates,c=0;c<u.length;c++)for(var f=u[c],h=0;h<f.length;++h)n.push(new M.default(f[h],e,r));else if("Polygon"===t.type)if(r.centroid){var d=A.default.centroid(t.coordinates);n.push(new M.default(d,e,r))}else for(var p=t.coordinates,m=0;m<p.length;m++)for(var _=p[m],g=0;g<_.length;++g)n.push(new M.default(_[g],e,r));else if("MultiPolygon"===t.type){var v=A.default.multiCentroid(t.coordinates);n.push(new M.default(v,e,r))}return n},makeVertexTemplate:function(e){var t=e.color||m.StyleParser.defaults.color;return this.fillVertexTemplate("a_position",0,{size:2}),this.fillVertexTemplate("a_position",e.z||0,{size:1,offset:2}),this.fillVertexTemplate("a_position",this.scaleOrder(e.order),{size:1,offset:3}),this.fillVertexTemplate("a_shape",0,{size:4}),this.fillVertexTemplate("a_texcoord",0,{size:2}),this.fillVertexTemplate("a_offset",0,{size:2}),this.fillVertexTemplate("a_color",E.default.mult(t,255),{size:4}),this.selection&&this.fillVertexTemplate("a_selection_color",E.default.mult(e.selection_color,255),{size:4}),this.vertex_template},buildQuad:function(e,t,r,n,i,a,o,s){b.buildQuadsForPoints(e,o,s,{texcoord_index:this.vertex_layout.index.a_texcoord,position_index:this.vertex_layout.index.a_position,shape_index:this.vertex_layout.index.a_shape,offset_index:this.vertex_layout.index.a_offset},{quad:t,quad_normalize:256,offset:i,angle:4096*r,shape_w:n,texcoord_scale:a,texcoord_normalize:65535})},build:function(e,t){var r=e.label;r.num_segments?this.buildArticulatedLabel(r,e,t):this.buildLabel(r,e,t)},buildLabel:function(e,t,r){var n=this.makeVertexTemplate(t);this.buildQuad([e.position],t.size,t.angle,t.sampler,e.offset,t.texcoords,r,n)},buildArticulatedLabel:function(e,t,r){for(var n=this.makeVertexTemplate(t),i=0;i<e.num_segments;i++){var a=e.angle[i],o=t.size[i],s=e.offsets[i],l=t.texcoords[i];this.buildQuad([e.position],o,a,t.sampler,s,l,r,n)}},buildLines:function(e,t,r){this.build(t,r)},buildPoints:function(e,t,r){this.build(t,r)},buildPolygons:function(e,t,r){this.build(t,r)},makeMesh:function(e,t){var r=arguments.length<=2||void 0===arguments[2]?{}:arguments[2];return r=u.default({},r,{fade_in_time:this.fade_in_time}),p.Style.makeMesh.call(this,e,t,r)}})},{"../../builders/points":295,"../../geo":299,"../../gl/constants":300,"../../gl/texture":306,"../../gl/vertex_layout":311,"../../labels/collision":312,"../../labels/label_point":315,"../../utils/debug_settings":349,"../../utils/log":352,"../../vector":361,"../style":338,"../style_parser":340,"../text/text_labels":344,"babel-runtime/core-js/object/assign":9,"babel-runtime/core-js/object/create":10,"babel-runtime/core-js/promise":17,"babel-runtime/helpers/slicedToArray":27}],336:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0}),r.shaderSrc_polygonsFragment=r.shaderSrc_polygonsVertex=r.Polygons=void 0;var i=e("babel-runtime/core-js/object/assign"),a=n(i),o=e("babel-runtime/core-js/object/create"),s=n(o),l=e("../style"),u=e("../style_parser"),c=e("../../gl/constants"),f=n(c),h=e("../../gl/vertex_layout"),d=n(h),p=e("../../builders/polygons"),m=e("../../geo"),_=n(m),g='uniform vec2 u_resolution;\nuniform float u_time;\nuniform vec3 u_map_position;\nuniform vec4 u_tile_origin;\nuniform float u_tile_proxy_depth;\nuniform float u_meters_per_pixel;\nuniform float u_device_pixel_ratio;\nuniform float u_visible_time;\nuniform bool u_fade_in;\n\nuniform mat4 u_model;\nuniform mat4 u_modelView;\nuniform mat3 u_normalMatrix;\nuniform mat3 u_inverseNormalMatrix;\n\nattribute vec4 a_position;\nattribute vec4 a_color;\n\n// Optional normal attribute, otherwise default to up\n#ifdef TANGRAM_NORMAL_ATTRIBUTE\n    attribute vec3 a_normal;\n    #define TANGRAM_NORMAL a_normal\n#else\n    #define TANGRAM_NORMAL vec3(0., 0., 1.)\n#endif\n\n// Optional dynamic line extrusion\n#ifdef TANGRAM_EXTRUDE_LINES\n    // xy: extrusion direction in xy plane\n    // z:  half-width of line (amount to extrude)\n    // w:  scaling factor for interpolating width between zooms\n    attribute vec4 a_extrude;\n#endif\n\nvarying vec4 v_position;\nvarying vec3 v_normal;\nvarying vec4 v_color;\nvarying vec4 v_world_position;\n\n// Optional texture UVs\n#ifdef TANGRAM_TEXTURE_COORDS\n    attribute vec2 a_texcoord;\n    varying vec2 v_texcoord;\n#endif\n\n// Optional model position varying for tile coordinate zoom\n#ifdef TANGRAM_MODEL_POSITION_BASE_ZOOM_VARYING\n    varying vec4 v_modelpos_base_zoom;\n#endif\n\n#if defined(TANGRAM_LIGHTING_VERTEX)\n    varying vec4 v_lighting;\n#endif\n\n#pragma tangram: camera\n#pragma tangram: material\n#pragma tangram: lighting\n#pragma tangram: raster\n#pragma tangram: global\n\nvoid main() {\n    // Initialize globals\n    #pragma tangram: setup\n\n    // Texture UVs\n    #ifdef TANGRAM_TEXTURE_COORDS\n        v_texcoord = a_texcoord;\n        #ifdef TANGRAM_EXTRUDE_LINES\n            v_texcoord.y *= TANGRAM_V_SCALE_ADJUST;\n        #endif\n    #endif\n\n    // Pass model position to fragment shader\n    #ifdef TANGRAM_MODEL_POSITION_BASE_ZOOM_VARYING\n        v_modelpos_base_zoom = modelPositionBaseZoom();\n    #endif\n\n    // Position\n    vec4 position = vec4(a_position.xy, a_position.z / TANGRAM_HEIGHT_SCALE, 1.); // convert height back to meters\n\n    #ifdef TANGRAM_EXTRUDE_LINES\n        vec2 extrude = a_extrude.xy / 256.; // values have an 8-bit fraction\n        float width = a_extrude.z;\n        float dwdz = a_extrude.w;\n\n        // Adjust line width based on zoom level, to prevent proxied lines from being either too small or too big.\n        // "Flattens" the zoom between 1-2 to peg it to 1 (keeps lines from prematurely shrinking), then interpolate\n        // and clamp to 4 (keeps lines from becoming too small when far away).\n        float dz = clamp(u_map_position.z - u_tile_origin.z, 0., 4.);\n        dz += step(1., dz) * (1. - dz) + mix(0., 2., clamp((dz - 2.) / 2., 0., 1.));\n\n        // Interpolate between zoom levels\n        width += dwdz * dz;\n\n        // Scale pixel dimensions to be consistent in screen space\n        // Scale from style zoom units back to tile zoom\n        width *= exp2(-dz - (u_tile_origin.z - u_tile_origin.w));\n\n        // Modify line width before extrusion\n        #pragma tangram: width\n\n        position.xy += extrude * width;\n    #endif\n\n    // World coordinates for 3d procedural textures\n    v_world_position = wrapWorldPosition(u_model * position);\n\n    // Adjust for tile and view position\n    position = u_modelView * position;\n\n    // Modify position before camera projection\n    #pragma tangram: position\n\n    // Setup varyings\n    v_position = position;\n    v_normal = normalize(u_normalMatrix * TANGRAM_NORMAL);\n    v_color = a_color;\n\n    #if defined(TANGRAM_LIGHTING_VERTEX)\n        // Vertex lighting\n        vec3 normal = v_normal;\n\n        // Modify normal before lighting\n        #pragma tangram: normal\n\n        // Pass lighting intensity to fragment shader\n        v_lighting = calculateLighting(position.xyz - u_eye, normal, vec4(1.));\n    #endif\n\n    // Camera\n    cameraProjection(position);\n\n    // +1 is to keep all layers including proxies > 0\n    applyLayerOrder(a_position.w + u_tile_proxy_depth + 1., position);\n\n    gl_Position = position;\n}\n',v="uniform vec2 u_resolution;\nuniform float u_time;\nuniform vec3 u_map_position;\nuniform vec4 u_tile_origin;\nuniform float u_meters_per_pixel;\nuniform float u_device_pixel_ratio;\nuniform float u_visible_time;\nuniform bool u_fade_in;\n\nuniform mat3 u_normalMatrix;\nuniform mat3 u_inverseNormalMatrix;\n\nvarying vec4 v_position;\nvarying vec3 v_normal;\nvarying vec4 v_color;\nvarying vec4 v_world_position;\n\n#define TANGRAM_NORMAL v_normal\n\n#ifdef TANGRAM_TEXTURE_COORDS\n    varying vec2 v_texcoord;\n#endif\n\n#ifdef TANGRAM_MODEL_POSITION_BASE_ZOOM_VARYING\n    varying vec4 v_modelpos_base_zoom;\n#endif\n\n#if defined(TANGRAM_LIGHTING_VERTEX)\n    varying vec4 v_lighting;\n#endif\n\n#pragma tangram: camera\n#pragma tangram: material\n#pragma tangram: lighting\n#pragma tangram: raster\n#pragma tangram: global\n\nvoid main (void) {\n    // Initialize globals\n    #pragma tangram: setup\n\n    vec4 color = v_color;\n    vec3 normal = TANGRAM_NORMAL;\n\n    // Apply raster to vertex color\n    #ifdef TANGRAM_RASTER_TEXTURE_COLOR\n        color *= sampleRaster(0); // multiplied to tint texture color\n    #endif\n\n    // Apply line texture\n    #ifdef TANGRAM_LINE_TEXTURE\n        vec2 _line_st = vec2(v_texcoord.x, fract(v_texcoord.y / u_texture_ratio));\n        vec4 _line_color = texture2D(u_texture, _line_st);\n\n        if (_line_color.a < TANGRAM_ALPHA_TEST) {\n            #ifdef TANGRAM_LINE_BACKGROUND_COLOR\n                color.rgb = TANGRAM_LINE_BACKGROUND_COLOR;\n            #elif !defined(TANGRAM_BLEND_OVERLAY) && !defined(TANGRAM_BLEND_INLAY)\n                discard; // use discard when alpha blending is unavailable\n            #else\n                color.a = 0.; // use alpha channel when blending is available\n            #endif\n        }\n        else {\n            color *= _line_color;\n        }\n    #endif\n\n    // First, get normal from raster tile (if applicable)\n    #ifdef TANGRAM_RASTER_TEXTURE_NORMAL\n        normal = normalize(sampleRaster(0).rgb * 2. - 1.);\n    #endif\n\n    // Second, alter normal with normal map texture (if applicable)\n    #if defined(TANGRAM_LIGHTING_FRAGMENT) && defined(TANGRAM_MATERIAL_NORMAL_TEXTURE)\n        calculateNormal(normal);\n    #endif\n\n    // Normal modification applied here for fragment lighting or no lighting,\n    // and in vertex shader for vertex lighting\n    #if !defined(TANGRAM_LIGHTING_VERTEX)\n        #pragma tangram: normal\n    #endif\n\n    // Color modification before lighting is applied\n    #pragma tangram: color\n\n    #if defined(TANGRAM_LIGHTING_FRAGMENT)\n        // Calculate per-fragment lighting\n        color = calculateLighting(v_position.xyz - u_eye, normal, color);\n    #elif defined(TANGRAM_LIGHTING_VERTEX)\n        // Apply lighting intensity interpolated from vertex shader\n        color *= v_lighting;\n    #endif\n\n    // Post-processing effects (modify color after lighting)\n    #pragma tangram: filter\n\n    gl_FragColor = color;\n}\n",y=r.Polygons=s.default(l.Style);r.shaderSrc_polygonsVertex=g,r.shaderSrc_polygonsFragment=v,a.default(y,{name:"polygons",built_in:!0,vertex_shader_src:g,fragment_shader_src:v,selection:!0,init:function(){l.Style.init.apply(this,arguments);var e=[{name:"a_position",size:4,type:f.default.SHORT,normalized:!1},{name:"a_normal",size:3,type:f.default.BYTE,normalized:!0},{name:"a_color",size:4,type:f.default.UNSIGNED_BYTE,normalized:!0}];this.defines.TANGRAM_NORMAL_ATTRIBUTE=!0,this.defines.TANGRAM_LAYER_ORDER=!0,this.selection&&e.push({name:"a_selection_color",size:4,type:f.default.UNSIGNED_BYTE,normalized:!0}),this.texcoords&&(this.defines.TANGRAM_TEXTURE_COORDS=!0,e.push({name:"a_texcoord",size:2,type:f.default.UNSIGNED_SHORT,normalized:!0})),this.vertex_layout=new d.default(e)},_parseFeature:function(e,t,r){var n=this.feature_style;return n.color=this.parseColor(t.color,r),n.color?(n.z=t.z&&u.StyleParser.evalCachedDistanceProperty(t.z,r)||u.StyleParser.defaults.z,n.z*=_.default.height_scale,n.extrude=u.StyleParser.evalProperty(t.extrude,r),n.extrude&&(n.extrude===!0?(n.height=e.properties.height||u.StyleParser.defaults.height,n.min_height=e.properties.min_height||u.StyleParser.defaults.min_height):"number"==typeof n.extrude?(n.height=n.extrude,n.min_height=0):Array.isArray(n.extrude)&&(n.min_height=n.extrude[0],n.height=n.extrude[1]),n.height*=_.default.height_scale,n.min_height*=_.default.height_scale),n.tile_edges=t.tile_edges,n):null},_preprocess:function(e){return e.color=u.StyleParser.createColorPropertyCache(e.color),e.z=u.StyleParser.createPropertyCache(e.z,u.StyleParser.parseUnits),e},makeVertexTemplate:function(e){var t=0;return this.vertex_template[t++]=0,this.vertex_template[t++]=0,this.vertex_template[t++]=e.z||0,this.vertex_template[t++]=this.scaleOrder(e.order),this.vertex_template[t++]=0,this.vertex_template[t++]=0,this.vertex_template[t++]=127,this.vertex_template[t++]=255*e.color[0],this.vertex_template[t++]=255*e.color[1],this.vertex_template[t++]=255*e.color[2],this.vertex_template[t++]=255*e.color[3],this.selection&&(this.vertex_template[t++]=255*e.selection_color[0],this.vertex_template[t++]=255*e.selection_color[1],this.vertex_template[t++]=255*e.selection_color[2],this.vertex_template[t++]=255*e.selection_color[3]),this.texcoords&&(this.vertex_template[t++]=0,this.vertex_template[t++]=0),this.vertex_template},buildPolygons:function(e,t,r,n){var i=this.makeVertexTemplate(t),a={texcoord_index:this.vertex_layout.index.a_texcoord,texcoord_normalize:65535,remove_tile_edges:!t.tile_edges,tile_edge_tolerance:_.default.tile_scale*n.tile.pad_scale*4,winding:n.winding};t.extrude&&t.height?p.buildExtrudedPolygons(e,t.z,t.height,t.min_height,r,i,this.vertex_layout.index.a_normal,127,a):p.buildPolygons(e,r,i,a)}})},{"../../builders/polygons":296,"../../geo":299,"../../gl/constants":300,"../../gl/vertex_layout":311,"../style":338,"../style_parser":340,"babel-runtime/core-js/object/assign":9,"babel-runtime/core-js/object/create":10}],337:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0}),r.RasterStyle=void 0;var i=e("babel-runtime/core-js/object/assign"),a=n(i),o=e("babel-runtime/core-js/object/create"),s=n(o),l=e("../style_parser"),u=e("../polygons/polygons"),c=r.RasterStyle=s.default(u.Polygons);a.default(c,{name:"raster","super":u.Polygons,built_in:!0,selection:!1,init:function(){this.raster=this.raster||"color",this.super.init.apply(this,arguments)},_preprocess:function(e){return e.color=e.color||l.StyleParser.defaults.color,this.super._preprocess.apply(this,arguments)}})},{"../polygons/polygons":336,"../style_parser":340,"babel-runtime/core-js/object/assign":9,"babel-runtime/core-js/object/create":10}],338:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0}),r.Style=void 0;var i=e("babel-runtime/helpers/slicedToArray"),a=n(i),o=e("babel-runtime/core-js/get-iterator"),s=n(o),l=e("babel-runtime/core-js/object/keys"),u=n(l),c=e("babel-runtime/core-js/object/assign"),f=n(c),h=e("babel-runtime/core-js/promise"),d=n(h),p=e("./style_parser"),m=e("../selection"),_=n(m),g=e("../gl/shader_program"),v=n(g),y=e("../gl/vbo_mesh"),b=n(y),x=e("../gl/texture"),w=n(x),k=e("../material"),A=n(k),T=e("../light"),E=n(T),S=e("../sources/raster"),R=e("../utils/log"),j=n(R),M=e("../utils/thread"),z=n(M),C=e("../utils/worker_broker"),P=n(C),N="// Fragment shader for feature selection passes\n// Renders in silhouette according to selection (picking) color, or black if none defined\n\n#ifdef TANGRAM_FEATURE_SELECTION\n    varying vec4 v_selection_color;\n#endif\n\nvoid main (void) {\n    #ifdef TANGRAM_FEATURE_SELECTION\n        gl_FragColor = v_selection_color;\n    #else\n        gl_FragColor = vec4(0., 0., 0., 1.);\n    #endif\n}\n",L="// Uniforms defining raster textures and macros for accessing them\n\n#ifdef TANGRAM_FRAGMENT_SHADER\nuniform sampler2D u_rasters[TANGRAM_NUM_RASTER_SOURCES];    // raster tile texture samplers\nuniform vec2 u_raster_sizes[TANGRAM_NUM_RASTER_SOURCES];    // raster tile texture sizes (width/height in pixels)\nuniform vec3 u_raster_offsets[TANGRAM_NUM_RASTER_SOURCES];  // raster tile texture UV starting offset for tile\n\n// Note: the raster accessors below are #defines rather than functions to\n// avoid issues with constant integer expressions for array indices\n\n// Adjusts UVs in model space to account for raster tile texture overzooming\n// (applies scale and offset adjustments)\n#define adjustRasterUV(raster_index, uv) \\\n    ((uv) * u_raster_offsets[raster_index].z + u_raster_offsets[raster_index].xy)\n\n// Returns the UVs of the current model position for a raster sampler\n#define currentRasterUV(raster_index) \\\n    (adjustRasterUV(raster_index, v_modelpos_base_zoom.xy))\n\n// Returns pixel location in raster tile texture at current model position\n#define currentRasterPixel(raster_index) \\\n    (currentRasterUV(raster_index) * rasterPixelSize(raster_index))\n\n// Samples a raster tile texture for the current model position\n#define sampleRaster(raster_index) \\\n    (texture2D(u_rasters[raster_index], currentRasterUV(raster_index)))\n\n// Samples a raster tile texture for a given pixel\n#define sampleRasterAtPixel(raster_index, pixel) \\\n    (texture2D(u_rasters[raster_index], adjustRasterUV(raster_index, (pixel) / rasterPixelSize(raster_index))))\n\n// Returns size of raster sampler in pixels\n#define rasterPixelSize(raster_index) \\\n    (u_raster_sizes[raster_index])\n\n#endif\n",O=r.Style={init:function(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],t=e.generation,r=e.styles,n=e.sources,i=void 0===n?{}:n,a=e.introspection;
 17 this.isBuiltIn()||(this.built_in=!1),this.generation=t,this.styles=r,this.sources=i,this.defines=this.hasOwnProperty("defines")&&this.defines||{},this.shaders=this.hasOwnProperty("shaders")&&this.shaders||{},this.introspection=a||!1,this.selection=this.selection||this.introspection||!1,this.compiling=!1,this.compiled=!1,this.program=null,this.selection_program=null,this.feature_style={},this.vertex_template=[],this.tile_data={},this.main_thread_target=["Style",this.name,this.generation].join("/"),z.default.is_main&&P.default.addTarget(this.main_thread_target,this),this.defines.TANGRAM_WORLD_POSITION_WRAP=1e5,this.blend=this.blend||"opaque",this.defines["TANGRAM_BLEND_"+this.blend.toUpperCase()]=!0,null==this.blend_order&&(this.blend_order=-1),this.material instanceof A.default||(A.default.isValid(this.material)||(this.material=p.StyleParser.defaults.material),this.material=new A.default(this.material)),this.material.inject(this),E.default.setMode(this.lighting,this),this.setupRasters(),this.initialized=!0},destroy:function(){this.program&&(this.program.destroy(),this.program=null),this.selection_program&&(this.selection_program.destroy(),this.selection_program=null),this.gl=null,this.initialized=!1},reset:function(){},isBuiltIn:function(){return this.hasOwnProperty("built_in")&&this.built_in},fillVertexTemplate:function(e,t,r){var n=r.size,i=r.offset;i=void 0===i?0:i;var a=this.vertex_layout.index[e];if(void 0===a)return void j.default("warn","Style: in style '"+this.name+"', no index found in vertex layout for attribute '"+e+"'");for(var o=0;n>o;++o){var s=t.length>o?t[o]:t;this.vertex_template[a+o+i]=s}},startData:function(e){return this.tile_data[e.key]={vertex_data:null,uniforms:{},textures:[]},this.tile_data[e.key]},endData:function(e){var t=this.tile_data[e.key];return this.tile_data[e.key]=null,t&&t.vertex_data&&t.vertex_data.vertex_count>0?(t.vertex_data.end(),t.vertex_elements=t.vertex_data.element_buffer,t.vertex_data=t.vertex_data.vertex_buffer,this.buildRasterTextures(e,t).then(function(){return t})):d.default.resolve(null)},hasDataForTile:function(e){return null!=this.tile_data[e]},addFeature:function(e,t,r){var n=r.tile;if(n.generation===this.generation){this.tile_data[n.key]||this.startData(n);var i=this.parseFeature(e,t,r);i&&(this.tile_data[n.key].vertex_data||(this.tile_data[n.key].vertex_data=this.vertex_layout.createVertexData()),this.buildGeometry(e.geometry,i,this.tile_data[n.key].vertex_data,r))}},buildGeometry:function(e,t,r,n){"Polygon"===e.type?this.buildPolygons([e.coordinates],t,r,n):"MultiPolygon"===e.type?this.buildPolygons(e.coordinates,t,r,n):"LineString"===e.type?this.buildLines([e.coordinates],t,r,n):"MultiLineString"===e.type?this.buildLines(e.coordinates,t,r,n):"Point"===e.type?this.buildPoints([e.coordinates],t,r,n):"MultiPoint"===e.type&&this.buildPoints(e.coordinates,t,r,n)},parseFeature:function(e,t,r){try{var n=this.feature_style;if(t=this.preprocess(t),!t)return;n.order=this.parseOrder(t.order,r);var i=!1;return n.interactive=this.introspection||t.interactive,this.selection&&(i=p.StyleParser.evalProperty(n.interactive,r)),n.selection_color=i?_.default.makeColor(e,r.tile,r):_.default.defaultColor,n=this._parseFeature(e,t,r)}catch(a){j.default("error","Style.parseFeature: style parsing error",e,n,a)}},_parseFeature:function(){return this.feature_style},preprocess:function(e){if(!e.preprocessed){if(e=this._preprocess(e),!e)return;e.preprocessed=!0}return e},_preprocess:function(e){return e},parseOrder:function(e,t){return"number"!=typeof e?p.StyleParser.calculateOrder(e,t):e},scaleOrder:function(e){return 2*e},parseColor:function(e,t){return e?p.StyleParser.evalCachedColorProperty(e,t):this.shaders.blocks.color||this.shaders.blocks.filter?p.StyleParser.defaults.color:void 0},buildPolygons:function(){},buildLines:function(){},buildPoints:function(){},setGL:function(e){this.gl=e,this.max_texture_size=w.default.getMaxTextureSize(this.gl)},makeMesh:function(e,t){var r=arguments.length<=2||void 0===arguments[2]?{}:arguments[2];return new b.default(this.gl,e,t,this.vertex_layout,r)},render:function(e){return e.render()},compile:function(){if(!this.gl)throw new Error("style.compile(): skipping for "+this.name+" because no GL context");if(this.compiling)throw new Error("style.compile(): skipping for "+this.name+" because style is already compiling");this.compiling=!0,this.compiled=!1;var e=this.buildDefineList();if(this.selection){var t=f.default({},e);t.TANGRAM_FEATURE_SELECTION=!0}var r=this.shaders&&this.shaders.blocks,n=this.shaders&&this.shaders.block_scopes,i=f.default({},this.shaders&&this.shaders.uniforms),a=this.shaders&&this.shaders.extensions;"string"==typeof a&&(a=[a]);try{this.program=new v.default(this.gl,this.vertex_shader_src,this.fragment_shader_src,{name:this.name,defines:e,uniforms:i,blocks:r,block_scopes:n,extensions:a}),this.program.compile(),this.selection?(this.selection_program=new v.default(this.gl,this.vertex_shader_src,N,{name:this.name+" (selection)",defines:t,uniforms:i,blocks:r,block_scopes:n,extensions:a}),this.selection_program.compile()):this.selection_program=null}catch(o){throw this.compiling=!1,this.compiled=!1,new Error("style.compile(): style "+this.name+" error:",o)}this.compiling=!1,this.compiled=!0},addShaderBlock:function(e,t){var r=arguments.length<=2||void 0===arguments[2]?null:arguments[2];this.shaders.blocks=this.shaders.blocks||{},this.shaders.blocks[e]=this.shaders.blocks[e]||[],this.shaders.blocks[e].push(t),this.shaders.block_scopes=this.shaders.block_scopes||{},this.shaders.block_scopes[e]=this.shaders.block_scopes[e]||[],this.shaders.block_scopes[e].push(r)},removeShaderBlock:function(e){this.shaders.blocks&&(this.shaders.blocks[e]=null)},replaceShaderBlock:function(e,t){var r=arguments.length<=2||void 0===arguments[2]?null:arguments[2];this.removeShaderBlock(e),this.addShaderBlock(e,t,r)},buildDefineList:function(){var e={};if(null!=this.defines)for(var t in this.defines)e[t]=this.defines[t];if(null!=this.shaders&&null!=this.shaders.defines)for(t in this.shaders.defines)e[t]=this.shaders.defines[t];return e},hasRasters:function(){return["color","normal","custom"].indexOf(this.raster)>-1},setupRasters:function(){var e=this;if(this.hasRasters()){"color"===this.raster?this.defines.TANGRAM_RASTER_TEXTURE_COLOR=!0:"normal"===this.raster&&(this.defines.TANGRAM_RASTER_TEXTURE_NORMAL=!0);var t=u.default(this.sources).filter(function(t){return e.sources[t]instanceof S.RasterTileSource}).length;this.defines.TANGRAM_NUM_RASTER_SOURCES="int("+t+")",t>0&&(this.defines.TANGRAM_MODEL_POSITION_BASE_ZOOM_VARYING=!0,this.replaceShaderBlock("raster",L,"Raster"))}},buildRasterTextures:function(e,t){var r=this;if(!this.hasRasters())return d.default.resolve(t);var n={},i={};return e.rasters.map(function(e){return r.sources[e]}).filter(function(e){return e}).forEach(function(t,r){if(t instanceof S.RasterTileSource){var a=t.tileTexture(e);n[a.url]=a,i[a.url]=r}}),0===u.default(n).length?d.default.resolve(t):P.default.postMessage(this.main_thread_target+".loadTextures",n).then(function(r){if(!r||r.length<1)return t;t.uniforms=t.uniforms||{},t.textures=t.textures||[];var o=t.uniforms.u_rasters=[],l=t.uniforms.u_raster_sizes=[],u=t.uniforms.u_raster_offsets=[],c=!0,f=!1,h=void 0;try{for(var d,p=s.default(r);!(c=(d=p.next()).done);c=!0){var m=a.default(d.value,3),_=m[0],g=m[1],v=m[2],y=i[_],b=n[_].coords;if(o[y]=_,t.textures.push(_),l[y]=[g,v],e.coords.z>b.z){var x=e.coords.z-b.z,w=Math.pow(2,x);u[y]=[e.coords.x%w/w,(w-1-e.coords.y%w)/w,1/w]}else u[y]=[0,0,1]}}catch(k){f=!0,h=k}finally{try{!c&&p.return&&p.return()}finally{if(f)throw h}}return t})},loadTextures:function(e){return w.default.createFromObject(this.gl,e).then(function(){return d.default.all(u.default(e).map(function(e){return w.default.textures[e]&&w.default.textures[e].load()}).filter(function(e){return e}))}).then(function(e){return e.forEach(function(e){return e.retain()}),e.map(function(e){return[e.name,e.width,e.height]})})},setup:function(){this.setUniforms(),this.material.setupProgram(v.default.current)},setUniforms:function(){var e=v.default.current;e&&e.setUniforms(this.shaders&&this.shaders.uniforms,!0)},render_states:{opaque:{depth_test:!0,depth_write:!0},add:{depth_test:!0,depth_write:!1},multiply:{depth_test:!0,depth_write:!1},inlay:{depth_test:!0,depth_write:!1},overlay:{depth_test:!1,depth_write:!1}},default_blend_orders:{opaque:0,add:1,multiply:2,inlay:3,overlay:4},blendOrderSort:function(e,t){return"opaque"===e.blend||"opaque"===t.blend?"opaque"===e.blend&&"opaque"===t.blend?e.name<t.name?-1:1:"opaque"===e.blend?-1:1:e.blend_order<t.blend_order?-1:e.blend_order>t.blend_order?1:O.default_blend_orders[e.blend]<O.default_blend_orders[t.blend]?-1:O.default_blend_orders[e.blend]>O.default_blend_orders[t.blend]?1:e.name<t.name?-1:1},update:function(){}}},{"../gl/shader_program":305,"../gl/texture":306,"../gl/vbo_mesh":308,"../light":319,"../material":320,"../selection":326,"../sources/raster":330,"../utils/log":352,"../utils/thread":357,"../utils/worker_broker":360,"./style_parser":340,"babel-runtime/core-js/get-iterator":4,"babel-runtime/core-js/object/assign":9,"babel-runtime/core-js/object/keys":15,"babel-runtime/core-js/promise":17,"babel-runtime/helpers/slicedToArray":27}],339:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0}),r.StyleManager=void 0;{var i=e("babel-runtime/helpers/slicedToArray"),a=n(i),o=e("babel-runtime/core-js/object/define-property"),s=n(o),l=e("babel-runtime/core-js/object/assign"),u=n(l),c=e("babel-runtime/core-js/get-iterator"),f=n(c),h=e("babel-runtime/helpers/toConsumableArray"),d=n(h),p=e("babel-runtime/core-js/object/keys"),m=n(p),_=e("babel-runtime/core-js/object/create"),g=n(_),v=e("babel-runtime/helpers/classCallCheck"),y=n(v),b=e("babel-runtime/helpers/createClass"),x=n(b),w=e("../utils/utils"),k=n(w),A=e("../gl/shader_program"),T=n(A),E=e("../utils/merge"),S=n(E),R=e("../geo"),j=n(R),M=e("../utils/log"),z=n(M),C=e("./polygons/polygons"),P=e("./lines/lines"),N=e("./points/points"),L=e("./text/text"),O=e("./raster/raster"),I="#ifdef TANGRAM_VERTEX_SHADER\n\n// Vertex position in model space: [0, 1] range over the local tile\n// Note positions can be outside that range due to unclipped geometry, geometry higher than a unit cube, etc.\nvec4 modelPosition() {\n    return\n        vec4(\n            a_position.xyz / TANGRAM_TILE_SCALE         // scale coords to ~0-1 range\n            * exp2(u_tile_origin.z - u_tile_origin.w),  // adjust for tile overzooming\n        1.)\n        + vec4(0., 1., 0., 0.);\n        // NB: additional offset to account for unusual Tangram JS y coords,\n        // should be refactored to remove\n}\n\n// Position in model space as above, but according to tile coordinate (as opposed to style) zoom\n// e.g. unadjusted for tile overzooming\nvec4 modelPositionBaseZoom() {\n    return\n        vec4(\n            a_position.xyz / TANGRAM_TILE_SCALE,    // scale coords to ~0-1 range\n        1.)\n        + vec4(0., 1., 0., 0.); // see note on offset above\n}\n\n#endif\n\n// Vertex position in world coordinates, useful for 3d procedural textures, etc.\nvec4 worldPosition() {\n    return v_world_position;\n}\n\n// Optionally wrap world coordinates (allows more precision at higher zooms)\n// e.g. at wrap 1000, the world space will wrap every 1000 meters\n#ifdef TANGRAM_VERTEX_SHADER\n\nvec4 wrapWorldPosition(vec4 world_position) {\n    #if defined(TANGRAM_WORLD_POSITION_WRAP)\n    vec2 anchor = u_tile_origin.xy - mod(u_tile_origin.xy, TANGRAM_WORLD_POSITION_WRAP);\n        world_position.xy -= anchor;\n    #endif\n    return world_position;\n}\n\n#endif\n\n// Normal in world space\n#if defined(TANGRAM_VERTEX_SHADER)\n\nvec3 worldNormal() {\n    return TANGRAM_NORMAL;\n}\n\n#elif defined(TANGRAM_FRAGMENT_SHADER)\n\nvec3 worldNormal() {\n    return u_inverseNormalMatrix * TANGRAM_NORMAL;\n}\n\n#endif\n",F="// Apply layer ordering to avoid z-fighting\nvoid applyLayerOrder (float layer, inout vec4 position) {\n    position.z -= layer * TANGRAM_LAYER_DELTA * position.w;\n}\n",U="// Vertex attribute + varying for feature selection\n#if defined(TANGRAM_FEATURE_SELECTION) && defined(TANGRAM_VERTEX_SHADER)\n    attribute vec4 a_selection_color;\n    varying vec4 v_selection_color;\n#endif\n",D="// Selection pass-specific rendering\n#if defined(TANGRAM_FEATURE_SELECTION) && defined(TANGRAM_VERTEX_SHADER)\n    if (a_selection_color.rgb == vec3(0.)) {\n        // Discard by forcing invalid triangle if we're in the feature\n        // selection pass but have no selection info\n        // TODO: in some cases we may actually want non-selectable features to occlude selectable ones?\n        gl_Position = vec4(0., 0., 0., 1.);\n        return;\n    }\n    v_selection_color = a_selection_color;\n#endif\n";r.StyleManager=function(){function e(){y.default(this,e),this.styles={},this.base_styles={},this.register(g.default(C.Polygons)),this.register(g.default(P.Lines)),this.register(g.default(N.Points)),this.register(g.default(L.TextStyle)),this.register(g.default(O.RasterStyle))}return x.default(e,[{key:"init",value:function(){T.default.removeBlock("global"),T.default.removeBlock("setup"),T.default.addBlock("global",I),T.default.addBlock("global",F),T.default.addBlock("global",U),T.default.replaceBlock("setup",D),T.default.defines.TANGRAM_EPSILON=1e-5,T.default.defines.TANGRAM_LAYER_DELTA=1/16384,T.default.defines.TANGRAM_TILE_SCALE="vec3("+j.default.tile_scale+"., "+j.default.tile_scale+"., u_meters_per_pixel * "+j.default.tile_size+".)",T.default.defines.TANGRAM_HEIGHT_SCALE=j.default.height_scale}},{key:"destroy",value:function(e){var t=this;m.default(this.styles).forEach(function(r){var n=t.styles[r];n.gl===e&&(z.default("trace","StyleManager.destroy: destroying render style "+n.name),n.isBuiltIn()||t.remove(n.name),n.destroy())})}},{key:"register",value:function(e){this.styles[e.name]=e,this.base_styles[e.name]=e}},{key:"remove",value:function(e){delete this.styles[e]}},{key:"mix",value:function(e,t){if(e.mixed)return e;e.mixed={};var r=[];if(e.mix){if(Array.isArray(e.mix)){var n;(n=r).push.apply(n,d.default(e.mix))}else r.push(e.mix);r=r.map(function(e){return t[e]}).filter(function(t){return t&&t!==e});var i=!0,a=!1,o=void 0;try{for(var s,l=f.default(r);!(i=(s=l.next()).done);i=!0){var c=s.value;e.mixed[c.name]=!0}}catch(h){a=!0,o=h}finally{try{!i&&l.return&&l.return()}finally{if(a)throw o}}}return r.push(e),e.animated=r.some(function(e){return e&&e.animated}),e.texcoords=r.some(function(e){return e&&e.texcoords}),e.base=r.map(function(e){return e.base}).filter(function(e){return e}).pop(),e.lighting=r.map(function(e){return e.lighting}).filter(function(e){return null!=e}).pop(),e.texture=r.map(function(e){return e.texture}).filter(function(e){return e}).pop(),e.raster=r.map(function(e){return e.raster}).filter(function(e){return null!=e}).pop(),e.dash=r.map(function(e){return e.dash}).filter(function(e){return null!=e}).pop(),e.dash_background_color=r.map(function(e){return e.dash_background_color}).filter(function(e){return null!=e}).pop(),r.some(function(e){return e.hasOwnProperty("blend")&&e.blend})&&(e.blend=r.map(function(e){return e.hasOwnProperty("blend")&&e.blend}).filter(function(e){return e}).pop()),e.blend_order=r.map(function(e){return e.blend_order}).filter(function(e){return null!=e}).pop(),e.defines=u.default.apply(Object,[{}].concat(d.default(r.map(function(e){return e.defines}).filter(function(e){return e})))),e.material=u.default.apply(Object,[{}].concat(d.default(r.map(function(e){return e.material}).filter(function(e){return e})))),this.mixShaders(e,t,r),e}},{key:"mixShaders",value:function(e,t,r){var n={},i=r.map(function(e){return e.shaders}).filter(function(e){return e});if(n.defines=u.default.apply(Object,[{}].concat(d.default(i.map(function(e){return e.defines}).filter(function(e){return e})))),n.uniforms={},n._uniforms=e.shaders&&e.shaders.uniforms||{},n._uniform_scopes={},r.filter(function(e){return e.shaders&&e.shaders.uniforms}).forEach(function(e){var r=function(r){n._uniform_scopes[r]=e.name,s.default(n.uniforms,r,{enumerable:!0,configurable:!0,get:function(){return void 0!==n._uniforms[r]?n._uniforms[r]:t[n._uniform_scopes[r]].shaders.uniforms!==n.uniforms?t[n._uniform_scopes[r]].shaders.uniforms[r]:void 0},set:function(e){n._uniforms[r]=e}})};for(var i in e.shaders.uniforms)r(i)}),n.extensions=m.default(i.map(function(e){return e.extensions}).filter(function(e){return e}).reduce(function(e,t){return"string"==typeof t?e[t]=!0:t.forEach(function(t){return e[t]=!0}),e},{})||{}),e.shaders&&e.shaders.blocks){e.shaders.block_scopes=e.shaders.block_scopes||{};var o=!0,l=!1,c=void 0;try{for(var h,p=f.default(k.default.entries(e.shaders.blocks));!(o=(h=p.next()).done);o=!0){var _=a.default(h.value,2),g=_[0],v=_[1];if(e.shaders.block_scopes[g]=e.shaders.block_scopes[g]||[],Array.isArray(v)){var y;(y=e.shaders.block_scopes[g]).push.apply(y,d.default(v.map(function(){return 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n.then(function(){return i.load()}).then(function(){f.default("debug","Font face '"+e+"' is available",r)},function(){f.default("debug","Font face '"+e+"' is NOT available",r)})}},injectFontFace:function(e){var t=this,r=e.family,n=e.url,i=e.weight,a=e.style;void 0===this.supports_native_font_loading&&(this.supports_native_font_loading=void 0!==window.FontFace);var o=u.default.resolve(n);return"blob:"===n.slice(0,5)&&(o=d.default.io(n,6e4,"arraybuffer").then(function(e){var r=new Uint8Array(e);if(t.supports_native_font_loading)return r;for(var n="",i=0;i<r.length;i++)n+=String.fromCharCode(r[i]);return"data:font/opentype;base64,"+btoa(n)})),o.then(function(e){if(t.supports_native_font_loading){var n=void 0;"string"==typeof e?n=new FontFace(r,"url("+encodeURI(e)+")",{weight:i,style:a}):e instanceof Uint8Array&&(n=new FontFace(r,e,{weight:i,style:a})),document.fonts.add(n),f.default("trace","Adding FontFace to document.fonts:",n)}else{var o="\n                    @font-face {\n                        font-family: '"+r+"';\n                        font-weight: "+(i||"normal")+";\n                        font-style: "+(a||"normal")+";\n                        src: url("+encodeURI(e)+");\n                    }\n                ",s=document.createElement("style");s.appendChild(document.createTextNode("")),document.head.appendChild(s),s.sheet.insertRule(o,0),f.default("trace","Injecting CSS font face:",o)}})}};r.default=_},{"../../utils/log":352,"../../utils/utils":358,"babel-runtime/core-js/object/assign":9,"babel-runtime/core-js/promise":17,"babel-runtime/helpers/typeof":29,fontfaceobserver:169}],343:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}function i(e){for(var t=[],r=[],n=1/0,i=1/0;e&&!e.throw_away;)e.kink_index>0?e.fitness<i&&(i=e.fitness,r.unshift(e)):e.fitness<n&&(n=e.fitness,t.unshift(e)),e=v.default.nextLabel(e);var a=t[0],o=r[0];return t.length&&a.fitness<b?a:r.length&&o.fitness<x?o:a||o}Object.defineProperty(r,"__esModule",{value:!0}),r.TextStyle=void 0;var a=e("babel-runtime/core-js/object/assign"),o=n(a),s=e("babel-runtime/core-js/object/create"),l=n(s),u=e("../../geo"),c=n(u),f=e("../style"),h=e("../points/points"),d=e("../../labels/collision"),p=n(d),m=e("../../labels/label_point"),_=n(m),g=e("../../labels/label_line"),v=n(g),y=r.TextStyle=l.default(h.Points);o.default(y,{name:"text","super":h.Points,built_in:!0,selection:!1,init:function(){this.super.init.apply(this,arguments),this.defines.TANGRAM_POINT_TEXTURE=!0,this.defines.TANGRAM_MULTI_SAMPLER=!1,this.defines.TANGRAM_UNMULTIPLY_ALPHA=!0,this.defines.TANGRAM_FADE_ON_ZOOM_OUT=!0,this.defines.TANGRAM_FADE_ON_ZOOM_OUT_RATE=2,this.reset()},reset:function(){this.queues={},this.resetText()},addFeature:function(e,t,r){var n=r.tile;if(n.generation===this.generation&&(t=this.preprocess(t))){var i=e.geometry.type;t.can_articulate="LineString"===i||"MultiLineString"===i;var a=this.parseTextFeature(e,t,r,n);a&&(a.feature=e,a.context=r,a.layout.vertex=!1,this.tile_data[n.key]||this.startData(n),this.queues[n.key].push(a),p.default.addStyle(this.name,n.key))}},startData:function(e){return this.queues[e.key]=[],f.Style.startData.call(this,e)},endData:function(e){var t=this;return this.prepareTextLabels(e,this.name,this.queues[e.key]).then(function(r){return t.collideAndRenderTextLabels(e,t.name,r)}).then(function(r){var n=r.labels,i=r.texts,a=r.texture;return i&&(t.texts[e.key]=i,n.forEach(function(r){var n=r.text_settings_key,i=t.texts[e.key][n]&&t.texts[e.key][n][r.text],a=t.feature_style;a.label=r.label,i.text_settings.can_articulate?(a.size=i.size.map(function(e){return e.logical_size}),a.texcoords=i.texcoords):(a.size=i.size.logical_size,a.angle=r.label.angle||0,a.texcoords=i.align[r.label.align].texcoords),f.Style.addFeature.call(t,r.feature,r.draw,r.context)})),t.freeText(e),f.Style.endData.call(t,e).then(function(e){return a&&e?(e.uniforms.u_texture=a,e.textures.push(a),e):void 0})})},_preprocess:function(e){return this.preprocessText(e)},buildTextLabels:function(e,t){for(var r=[],n=0;n<t.length;n++){var i=t[n],a=this.texts[e][i.text_settings_key][i.text],o=void 0;if(a.text_settings.can_articulate){var s=a.size.map(function(e){return e.collision_size});i.layout.space_width=a.space_width,o=this.buildLabels(s,i.feature.geometry,i.layout)}else o=this.buildLabels(a.size.collision_size,i.feature.geometry,i.layout);for(var u=0;u<o.length;u++){var c=l.default(i);c.label=o[u],r.push(c)}}return r},buildLabels:function(e,t,r){var n=[];if("LineString"===t.type)this.buildLineLabels(t.coordinates,e,r,n);else if("MultiLineString"===t.type)for(var i=t.coordinates,a=0;a<i.length;++a)this.buildLineLabels(i[a],e,r,n);else if("Point"===t.type)n.push(new _.default(t.coordinates,e,r));else if("MultiPoint"===t.type)for(var o=t.coordinates,s=0;s<o.length;++s)n.push(new _.default(o[s],e,r));else if("Polygon"===t.type){var l=c.default.centroid(t.coordinates);n.push(new _.default(l,e,r))}else if("MultiPolygon"===t.type){var u=c.default.multiCentroid(t.coordinates);n.push(new _.default(u,e,r))}return n},buildLineLabels:function(e,t,r,n){var a=Math.min(r.subdiv,e.length-1);if(a>1){for(var o=(e.length-1)/a,s=0;a>s;s++)r.segment_start=Math.floor(s*o),r.segment_end=Math.floor((s+1)*o),n.push(new v.default(t,e,r));r.segment_start=null,r.segment_end=null}else{var l=new v.default(t,e,r);if(!l.throw_away){var u=i(l);u&&n.push(u)}}}});var b=.4,x=.5;y.texture_id=0},{"../../geo":299,"../../labels/collision":312,"../../labels/label_line":314,"../../labels/label_point":315,"../points/points":335,"../style":338,"babel-runtime/core-js/object/assign":9,"babel-runtime/core-js/object/create":10}],344:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0}),r.TextLabels=void 0;{var i=e("babel-runtime/helpers/typeof"),a=n(i),o=e("babel-runtime/helpers/toConsumableArray"),s=n(o),l=e("babel-runtime/core-js/promise"),u=n(l),c=e("babel-runtime/core-js/object/keys"),f=n(c),h=e("../style_parser"),d=e("../../gl/texture"),p=n(d),m=e("../../geo"),_=n(m),g=e("../../utils/log"),v=n(g),y=e("../../utils/thread"),b=n(y),x=e("../../utils/worker_broker"),w=n(x),k=e("../../labels/collision"),A=n(k),T=e("../text/text_settings"),E=n(T),S=e("../text/canvas_text"),R=n(S),j=0;r.TextLabels={resetText:function(){b.default.is_main?this.canvas=new R.default:b.default.is_worker&&(this.texts={})},freeText:function(e){delete this.texts[e.key]},parseTextFeature:function(e,t,r,n){var i=this.parseTextSource(e,t,r);if(null!=i){var a=this.computeTextLayout({},e,t,r,n,i),o=E.default.compute(e,t,r),s=E.default.key(o);this.texts[n.key]=this.texts[n.key]||{};var l=this.texts[n.key][s]=this.texts[n.key][s]||{};return l[i]||(l[i]={text_settings:o,ref:0}),{draw:t,text:i,text_settings_key:s,layout:a}}},parseTextSource:function(e,t,r){var n=void 0,i=t.text_source||"name";if(Array.isArray(i))for(var a=0;a<i.length&&("string"==typeof i[a]?n=e.properties[i[a]]:"function"==typeof i[a]&&(n=i[a](r)),!n);a++);else"string"==typeof i?n=e.properties[i]:"function"==typeof i&&(n=i(r));return n},prepareTextLabels:function(e,t,r){var n=this;return 0===f.default(this.texts[e.key]||{}).length?u.default.resolve({}):w.default.postMessage(this.main_thread_target+".calcTextSizes",this.texts[e.key]).then(function(t){return e.canceled?void v.default("trace","Style "+n.name+": stop tile build because tile was canceled: "+e.key+", post-calcTextSizes()"):(n.texts[e.key]=t,t?n.buildTextLabels(e.key,r):void 0)})},collideAndRenderTextLabels:function(e,t,r){var n=this;return r?A.default.collide(r,t,e.key).then(function(t){if(e.canceled)return v.default("trace","stop tile build because tile was canceled: "+e.key+", post-collide()"),{};if(0===t.length)return{};var r=n.texts[e.key];return n.cullTextStyles(r,t),t.forEach(function(e){var t=e.text_settings_key,n=r[t]&&r[t][e.text];n.text_settings.can_articulate||(n.align=n.align||{},n.align[e.label.align]={})}),w.default.postMessage(n.main_thread_target+".rasterizeTexts",e.key,r).then(function(r){var n=r.texts,i=r.texture;return e.canceled?(v.default("trace","stop tile build because tile was canceled: "+e.key+", post-rasterizeTexts()"),{}):{labels:t,texts:n,texture:i}})}):(A.default.collide({},t,e.key),u.default.resolve({}))},cullTextStyles:function(e,t){for(var r=0;r<t.length;r++){var n=t[r];e[n.text_settings_key][n.text].ref++}for(var i in e)for(var a in e[i])e[i][a].ref<1&&delete e[i][a];for(var o in e)0===f.default(e[o]).length&&delete e[o]},calcTextSizes:function(e){return this.canvas.textSizes(e)},rasterizeTexts:function(e,t){var r=new R.default;r.clearTexcoordCache(e);var n=r.setTextureTextPositions(t,this.max_texture_size,e);v.default("trace","text summary for tile "+e+": fits in "+n[0]+"x"+n[1]+"px"),n[0]<this.max_texture_size&&n[1]<this.max_texture_size?(r.resize.apply(r,s.default(n)),r.rasterize(t,n,e)):v.default("error",["Label atlas for tile "+e+" is "+n[0]+"x"+n[1]+"px, ","but max GL texture size is "+this.max_texture_size+"x"+this.max_texture_size+"px"].join(""));var i="labels-"+e+"-"+j++;return p.default.create(this.gl,i,{element:r.canvas,filtering:"linear",UNPACK_PREMULTIPLY_ALPHA_WEBGL:!0}),p.default.retain(i),{texts:t,texture:i}},preprocessText:function(e){return e&&e.font&&"object"===a.default(e.font)?(e.font.fill=h.StyleParser.createPropertyCache(e.font.fill),e.font.stroke&&(e.font.stroke.color=h.StyleParser.createPropertyCache(e.font.stroke.color)),e.font.px_size=h.StyleParser.createPropertyCache(e.font.size||E.default.defaults.size,R.default.fontPixelSize),e.font.stroke&&null!=e.font.stroke.width&&(e.font.stroke.width=h.StyleParser.createPropertyCache(e.font.stroke.width,parseFloat)),e.offset=h.StyleParser.createPropertyCache(e.offset,function(e){return Array.isArray(e)&&e.map(parseFloat)||0}),e.buffer=h.StyleParser.createPropertyCache(e.buffer,function(e){return(Array.isArray(e)?e:[e,e]).map(parseFloat)||0}),e.repeat_distance=h.StyleParser.createPropertyCache(e.repeat_distance,parseFloat),e):void 0},computeTextLayout:function(e,t,r,n,i,a){var o=e||{};return o=this.computeLayout(o,t,r,n,i),o.cull_from_tile=null!=r.cull_from_tile?r.cull_from_tile:!0,o.move_into_tile=null!=r.move_into_tile?r.move_into_tile:!0,o.repeat_distance=h.StyleParser.evalCachedProperty(r.repeat_distance,n),null==o.repeat_distance&&(o.repeat_distance=_.default.tile_size),o.repeat_distance*=o.units_per_pixel,o.repeat_group="function"==typeof r.repeat_group?r.repeat_group(n):"string"==typeof r.repeat_group?r.repeat_group:r.key,o.repeat_group+="/"+a,o.subdiv=i.overzoom2,o.align=r.align,o}}}},{"../../geo":299,"../../gl/texture":306,"../../labels/collision":312,"../../utils/log":352,"../../utils/thread":357,"../../utils/worker_broker":360,"../style_parser":340,"../text/canvas_text":341,"../text/text_settings":345,"babel-runtime/core-js/object/keys":15,"babel-runtime/core-js/promise":17,"babel-runtime/helpers/toConsumableArray":28,"babel-runtime/helpers/typeof":29}],345:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0});var i,a=e("../../utils/utils"),o=n(a),s=e("../../geo"),l=n(s),u=e("../style_parser");r.default=i={key:function(e){return[e.style,e.weight,e.family,e.px_size,e.fill,e.stroke,e.stroke_width,e.transform,e.text_wrap,e.max_lines,o.default.device_pixel_ratio].join("/")},defaults:{style:"normal",weight:null,size:"12px",px_size:12,family:"Helvetica",fill:"white",text_wrap:15,max_lines:5,align:"center",stroke:null,stroke_width:0},compute:function(e,t,r){var n={};t.font=t.font||this.defaults,n.can_articulate=t.can_articulate,n.fill=t.font.fill&&o.default.toCSSColor(u.StyleParser.evalCachedColorProperty(t.font.fill,r))||this.defaults.fill,n.style=t.font.style||this.defaults.style,n.weight=t.font.weight||this.defaults.weight,t.font.family?(n.family=t.font.family,n.family!==this.defaults.family&&(n.family+=", "+this.defaults.family)):n.family=this.defaults.family,n.transform=t.font.transform,n.size=t.font.size||this.defaults.size,n.px_size=u.StyleParser.evalCachedProperty(t.font.px_size,r),t.font.stroke&&t.font.stroke.color&&(n.stroke=o.default.toCSSColor(u.StyleParser.evalCachedColorProperty(t.font.stroke.color,r)||this.defaults.stroke),n.stroke_width=u.StyleParser.evalCachedProperty(t.font.stroke.width,r)||this.defaults.stroke_width),n.font_css=this.fontCSS(n);var i=t.text_wrap;return null==i&&"line"!==l.default.geometryType(e.geometry.type)&&(i=!0),i===!0&&(i=this.defaults.text_wrap),n.text_wrap=i,n.max_lines=t.max_lines||this.defaults.max_lines,n},fontCSS:function(e){var t=e.style,r=e.weight,n=e.px_size,i=e.family;return[t,r,n+"px",i].filter(function(e){return e}).join(" ")}}},{"../../geo":299,"../../utils/utils":358,"../style_parser":340}],346:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/core-js/get-iterator"),a=n(i),o=e("babel-runtime/core-js/promise"),s=n(o),l=e("babel-runtime/core-js/object/keys"),u=n(l),c=e("babel-runtime/core-js/json/stringify"),f=n(c),h=e("babel-runtime/helpers/toConsumableArray"),d=n(h),p=e("babel-runtime/helpers/classCallCheck"),m=n(p),_=e("babel-runtime/helpers/createClass"),g=n(_),v=e("./utils/log"),y=n(v),b=e("./geo"),x=n(b),w=e("./styles/style_parser"),k=e("./styles/style_manager"),A=e("./labels/collision"),T=n(A),E=e("./utils/worker_broker"),S=n(E),R=e("./gl/texture"),j=n(R),M=e("./utils/gl-matrix"),z=function(){function e(t){var r=t.coords,n=t.style_zoom,i=t.source,a=t.worker,o=t.view;m.default(this,e),this.worker=a,this.view=o,this.source=i,this.generation=null,this.visible=!1,this.proxy_for=null,this.proxy_depth=0,this.proxied_as=null,this.fade_in=!0,this.loading=!1,this.loaded=!1,this.built=!1,this.error=null,this.debug={},this.coords=e.coordinateWithMaxZoom(r,this.source.max_zoom),this.style_zoom=n,this.overzoom=Math.max(this.style_zoom-this.coords.z,0),this.overzoom2=Math.pow(2,this.overzoom),this.key=e.key(this.coords,this.source,this.style_zoom),this.min=x.default.metersForTile(this.coords),this.max=x.default.metersForTile({x:this.coords.x+1,y:this.coords.y+1,z:this.coords.z}),this.span={x:this.max.x-this.min.x,y:this.max.y-this.min.y},this.bounds={sw:{x:this.min.x,y:this.max.y},ne:{x:this.max.x,y:this.min.y}},this.center_dist=0,this.meters_per_pixel=x.default.metersPerPixel(this.style_zoom),this.meters_per_pixel_sq=this.meters_per_pixel*this.meters_per_pixel,this.units_per_pixel=x.default.units_per_pixel/this.overzoom2,this.units_per_meter_overzoom=x.default.unitsPerMeter(this.coords.z)*this.overzoom2,this.meshes={},this.textures=[],this.previous_textures=[],this.new_mesh_styles=[]}return g.default(e,[{key:"freeResources",value:function(){for(var e in this.meshes)this.meshes[e].destroy();this.meshes={},this.textures.forEach(function(e){return j.default.release(e)}),this.textures=[],this.previous_textures.forEach(function(e){return j.default.release(e)}),this.previous_textures=[]}},{key:"destroy",value:function(){this.workerMessage("self.removeTile",this.key),this.freeResources(),this.worker=null}},{key:"buildAsMessage",value:function(){return{key:this.key,source:this.source.name,coords:this.coords,min:this.min,max:this.max,units_per_pixel:this.units_per_pixel,meters_per_pixel:this.meters_per_pixel,meters_per_pixel_sq:this.meters_per_pixel_sq,units_per_meter_overzoom:this.units_per_meter_overzoom,style_zoom:this.style_zoom,overzoom:this.overzoom,overzoom2:this.overzoom2,generation:this.generation,debug:this.debug}}},{key:"workerMessage",value:function(){for(var e=arguments.length,t=Array(e),r=0;e>r;r++)t[r]=arguments[r];return S.default.postMessage.apply(S.default,[this.worker].concat(t))}},{key:"build",value:function(e){var t=arguments.length<=1||void 0===arguments[1]?{}:arguments[1],r=t.fade_in,n=void 0===r?!0:r;return this.generation=e,this.fade_in=n,this.loaded||(this.loading=!0,this.built=!1),this.workerMessage("self.buildTile",{tile:this.buildAsMessage()}).catch(function(e){throw e})}},{key:"buildMeshes",value:function(e,t){var r;if(!this.error){this.debug.geometries=0,this.debug.buffer_size=0;var n={},i=[],a=this.mesh_data;if(a)for(var o in a){if(a[o].vertex_data){if(this.debug.buffer_size+=a[o].vertex_data.byteLength,a[o].vertex_elements&&(this.debug.buffer_size+=a[o].vertex_elements.byteLength),!e[o]){y.default("warn","Could not create mesh because style '"+o+"' not found, for tile "+this.key+", aborting tile");break}n[o]=e[o].makeMesh(a[o].vertex_data,a[o].vertex_elements,a[o]),this.debug.geometries+=n[o].geometry_count}a[o].textures&&i.push.apply(i,d.default(a[o].textures))}delete this.mesh_data,t.start&&(this.new_mesh_styles=[],this.previous_textures=[].concat(d.default(this.textures)),this.textures=[]);for(var s in n)this.meshes[s]&&this.meshes[s].destroy(),this.meshes[s]=n[s],this.new_mesh_styles.push(s);if((r=this.textures).push.apply(r,i),t.done){for(var l in this.meshes)-1===this.new_mesh_styles.indexOf(l)&&this.meshes[l].destroy();this.new_mesh_styles=[],this.previous_textures.forEach(function(e){return j.default.release(e)}),this.previous_textures=[],this.debug.geom_ratio=(this.debug.geometries/this.debug.features).toFixed(1),this.printDebug()}}}},{key:"update",value:function(){var t=this.coords;t.z!==this.view.center.tile.z&&(t=e.coordinateAtZoom(t,this.view.center.tile.z)),this.center_dist=Math.abs(this.view.center.tile.x-t.x)+Math.abs(this.view.center.tile.y-t.y)}},{key:"setProxyFor",value:function(e){e?(this.visible=!0,this.proxy_for=this.proxy_for||[],this.proxy_for.push(e),this.proxy_depth=1,e.proxied_as=e.style_zoom>this.style_zoom?"child":"parent",this.update()):(this.proxy_for=null,this.proxy_depth=0)}},{key:"shouldProxyForStyle",value:function(e){return!this.proxy_for||this.proxy_for.some(function(t){return null==t.meshes[e]})}},{key:"setupProgram",value:function(e,t){var r=e.model,n=e.model32;t.uniform("4fv","u_tile_origin",[this.min.x,this.min.y,this.style_zoom,this.coords.z]),t.uniform("1f","u_tile_proxy_depth",this.proxy_depth),M.mat4.identity(r),M.mat4.translate(r,r,M.vec3.fromValues(this.min.x,this.min.y,0)),M.mat4.scale(r,r,M.vec3.fromValues(this.span.x/x.default.tile_scale,-1*this.span.y/x.default.tile_scale,1)),M.mat4.copy(n,r),t.uniform("Matrix4fv","u_model",n),t.uniform("1i","u_fade_in",this.fade_in&&"child"!==this.proxied_as)}},{key:"merge",value:function(e){for(var t in e)"key"!==t&&(this[t]=e[t]);return this}},{key:"printDebug",value:function(){y.default("debug","Tile: debug for "+this.key+": [  "+f.default(this.debug)+" ]")}}],[{key:"create",value:function(t){return new e(t)}},{key:"coord",value:function(t){return{x:t.x,y:t.y,z:t.z,key:e.coordKey(t)}}},{key:"coordKey",value:function(e){var t=e.x,r=e.y,n=e.z;return t+"/"+r+"/"+n}},{key:"key",value:function(t,r,n){return t=e.coordinateWithMaxZoom(t,r.max_zoom),t.y<0||t.y>=1<<t.z||t.z<0?void 0:[r.name,n,t.x,t.y,t.z].join("/")}},{key:"coordinateAtZoom",value:function(t,r){{var n=t.x,i=t.y,a=t.z;t.key}if(a!==r){var o=Math.pow(2,a-r);n=Math.floor(n/o),i=Math.floor(i/o),a=r}return e.coord({x:n,y:i,z:a})}},{key:"coordinateWithMaxZoom",value:function(t,r){var n=t.x,i=t.y,a=t.z;return void 0!==r&&a>r?e.coordinateAtZoom({x:n,y:i,z:a},r):e.coord({x:n,y:i,z:a})}},{key:"childrenForCoordinate",value:function(t){var r=t.x,n=t.y,i=t.z,a=t.key;return e.coord_children[a]||(i++,r*=2,n*=2,e.coord_children[a]=[e.coord({x:r,y:n,z:i}),e.coord({x:r+1,y:n,z:i}),e.coord({x:r,y:n+1,z:i}),e.coord({x:r+1,y:n+1,z:i})]),e.coord_children[a]}},{key:"isDescendant",value:function(t,r){if(r.z>t.z){var n=e.coordinateAtZoom(r,t.z),i=n.x,a=n.y;return t.x===i&&t.y===a}return!1}},{key:"sort",value:function(e){return e.sort(function(e,t){var r=e.center_dist,n=t.center_dist;return n>r?-1:n===r?0:1})}},{key:"cancel",value:function(t){t&&(t.canceled=!0,t.source_data&&t.source_data.request&&t.source_data.request.abort(),e.abortBuild(t))}},{key:"buildGeometry",value:function(t,r){var n=r.scene_id,i=r.layers,a=r.styles,o=r.global;t.debug.rendering=+new Date,t.debug.features=0;var s=t.source_data;T.default.startTile(t.key);for(var l in i){var u=i[l];if(u&&u.config.data){if(u.config.data.source===t.source)for(var c=e.getDataForSource(s,u.config.data,l),f=0;f<c.length;f++){var h=c[f],d=h.geom;if(d)for(var p=0;p<d.features.length;p++){var m=d.features[p];if(null!=m.geometry){var _=w.StyleParser.getFeatureParseContext(m,t,o);_.winding=t.default_winding,_.source=t.source,_.layer=h.layer;var g=u.buildDrawGroups(_,!0);if(g){for(var v in g){var b=g[v];if(b.visible){var x=b.style||v,A=a[x];A?(_.layers=b.layers,A.addFeature(m,b,_)):y.default("warn","Style '"+x+"' not found, skipping layer '"+l+"':",b,m)}}t.debug.features++}}}}}else y.default("warn","Layer "+l+" was defined without a geometry data source and will not be rendered.")}t.debug.rendering=+new Date-t.debug.rendering;var E=k.StyleManager.stylesForTile(t.key,a).map(function(e){return a[e]});e.sendStyleGroups(t,E,{scene_id:n},function(e){return e.collision?"collision":"non-collision"})}},{key:"sendStyleGroups",value:function(t,r,n,i){var a=n.scene_id,o={};r.forEach(function(e){var t=i(e);o[t]=o[t]||[],o[t].push(e)}),u.default(o).length>0?!function(){var r={start:!0};t.mesh_data={};var n=function(n){var i=o[n];s.default.all(i.map(function(e){return e.endData(t).then(function(r){r&&(t.mesh_data[e.name]={vertex_data:r.vertex_data,vertex_elements:r.vertex_elements,uniforms:r.uniforms,textures:r.textures})})})).then(function(){y.default("trace","Finished style group '"+n+"' for tile "+t.key),o[n]=[],u.default(o).every(function(e){return 0===o[e].length})&&(r.done=!0),S.default.postMessage("TileManager_"+a+".buildTileStylesCompleted",S.default.withTransferables({tile:e.slice(t,["mesh_data"]),progress:r})),r.start=null,t.mesh_data={},r.done&&T.default.resetTile(t.key)})};for(var i in o)n(i)}():(S.default.postMessage("TileManager_"+a+".buildTileStylesCompleted",S.default.withTransferables({tile:e.slice(t),progress:{start:!0,done:!0}})),T.default.resetTile(t.key))}},{key:"getDataForSource",value:function(e,t){var r=arguments.length<=2||void 0===arguments[2]?null:arguments[2],n=[];return null!=t&&(!t.layer&&e.layers._default?n.push({geom:e.layers._default}):!t.layer&&r?n.push({layer:r,geom:e.layers[r]}):"string"==typeof t.layer?n.push({layer:t.layer,geom:e.layers[t.layer]}):Array.isArray(t.layer)&&t.layer.forEach(function(t){e.layers[t]&&e.layers[t].features&&n.push({layer:t,geom:e.layers[t]})})),n}},{key:"abortBuild",value:function(e){if(e.mesh_data)for(var t in e.mesh_data){var r=e.mesh_data[t].textures;if(r){var n=!0,i=!1,o=void 0;try{for(var s,l=a.default(r);!(n=(s=l.next()).done);n=!0){var u=s.value,c=j.default.textures[u];c&&(y.default("trace","releasing texture "+u+" for tile "+e.key),c.release())}}catch(f){i=!0,o=f}finally{try{!n&&l.return&&l.return()}finally{if(i)throw o}}}}}},{key:"slice",value:function(e,t){var r=["key","loading","loaded","generation","error","debug"];Array.isArray(t)&&r.push.apply(r,d.default(t));var n={},i=!0,o=!1,s=void 0;try{for(var l,u=a.default(r);!(i=(l=u.next()).done);i=!0){var c=l.value;n[c]=e[c]}}catch(f){o=!0,s=f}finally{try{!i&&u.return&&u.return()}finally{if(o)throw s}}return n}}]),e}();r.default=z,z.coord_children={}},{"./geo":299,"./gl/texture":306,"./labels/collision":312,"./styles/style_manager":339,"./styles/style_parser":340,"./utils/gl-matrix":351,"./utils/log":352,"./utils/worker_broker":360,"babel-runtime/core-js/get-iterator":4,"babel-runtime/core-js/json/stringify":6,"babel-runtime/core-js/object/keys":15,"babel-runtime/core-js/promise":17,"babel-runtime/helpers/classCallCheck":21,"babel-runtime/helpers/createClass":22,"babel-runtime/helpers/toConsumableArray":28}],347:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/core-js/get-iterator"),a=n(i),o=e("babel-runtime/core-js/object/keys"),s=n(o),l=e("babel-runtime/helpers/classCallCheck"),u=n(l),c=e("babel-runtime/helpers/createClass"),f=n(c),h=e("./tile"),d=n(h),p=e("./tile_pyramid"),m=n(p),_=e("./utils/log"),g=n(_),v=e("./utils/worker_broker"),y=n(v),b=function(){function e(t){var r=t.scene,n=t.view;u.default(this,e),this.scene=r,this.view=n,this.tiles={},this.pyramid=new m.default,this.visible_coords={},this.queued_coords=[],this.building_tiles=null,this.main_thread_target=["TileManager",this.scene.id].join("_"),y.default.addTarget(this.main_thread_target,this)}return f.default(e,[{key:"destroy",value:function(){this.forEachTile(function(e){return e.destroy()}),this.tiles={},this.pyramid=null,this.visible_coords={},this.queued_coords=[],this.scene=null,this.view=null}},{key:"keepTile",value:function(e){this.tiles[e.key]=e,this.pyramid.addTile(e)}},{key:"hasTile",value:function(e){return void 0!==this.tiles[e]}},{key:"forgetTile",value:function(e){if(this.hasTile(e)){var t=this.tiles[e];this.pyramid.removeTile(t)}delete this.tiles[e],this.tileBuildStop(e)}},{key:"removeTile",value:function(e){g.default("trace","tile unload for "+e);var t=this.tiles[e];null!=t&&t.destroy(),this.forgetTile(t.key),this.scene.requestRedraw()}},{key:"forEachTile",value:function(e){for(var t in this.tiles)e(this.tiles[t])}},{key:"removeTiles",value:function(e){var t=[];for(var r in this.tiles){var n=this.tiles[r];e(n)&&t.push(r)}for(var i=0;i<t.length;i++){var a=t[i];this.removeTile(a)}}},{key:"updateTilesForView",value:function(){var e=s.default(this.visible_coords);this.visible_coords={};var t=this.view.findVisibleTileCoordinates(),r=!0,n=!1,i=void 0;try{for(var o,l=a.default(t);!(r=(o=l.next()).done);r=!0){var u=o.value;this.queueCoordinate(u),this.visible_coords[u.key]=u}}catch(c){n=!0,i=c}finally{try{!r&&l.return&&l.return()}finally{if(n)throw i}}var f=s.default(this.visible_coords),h=!1;e.length!==f.length?h=!0:(e.sort(),f.sort(),e.every(function(e,t){return f[t]===e})||(h=!0)),this.updateTileStates()}},{key:"updateTileStates",value:function(){var e=this;this.forEachTile(function(t){e.updateVisibility(t),t.update()}),this.loadQueuedCoordinates(),this.updateProxyTiles(),this.view.pruneTilesForView()}},{key:"updateProxyTiles",value:function(){var e=this;if(0!==this.view.zoom_direction){this.forEachTile(function(e){return e.setProxyFor(null)});var t=!1;this.forEachTile(function(r){if(1===e.view.zoom_direction){if(r.visible&&!r.built&&r.coords.z>0){var n=e.pyramid.getAncestor(r);n&&(n.setProxyFor(r),t=!0)}}else if(-1===e.view.zoom_direction&&r.visible&&!r.built){var i=e.pyramid.getDescendants(r),o=!0,s=!1,l=void 0;try{for(var u,c=a.default(i);!(o=(u=c.next()).done);o=!0){var f=u.value;f.setProxyFor(r),t=!0}}catch(h){s=!0,l=h}finally{try{!o&&c.return&&c.return()}finally{if(s)throw l}}}}),t||(this.view.zoom_direction=0)}}},{key:"updateVisibility",value:function(e){if(e.visible=!1,e.style_zoom===this.view.tile_zoom)if(this.visible_coords[e.coords.key])e.visible=!0;else for(var t in this.visible_coords)if(d.default.isDescendant(e.coords,this.visible_coords[t])){e.visible=!0;break}}},{key:"pruneToVisibleTiles",value:function(){this.removeTiles(function(e){return!e.visible})}},{key:"getRenderableTiles",value:function(){var e=[];for(var t in this.tiles){var r=this.tiles[t];r.visible&&r.loaded&&e.push(r)}return e}},{key:"isLoadingVisibleTiles",value:function(){var e=this;return s.default(this.tiles).some(function(t){return e.tiles[t].visible&&!e.tiles[t].built})}},{key:"queueCoordinate",value:function(e){this.queued_coords[this.queued_coords.length]=e}},{key:"loadQueuedCoordinates",value:function(){var e=this;0!==this.queued_coords.length&&(this.queued_coords.sort(function(t,r){var n=Math.abs(e.view.center.tile.x-t.x)+Math.abs(e.view.center.tile.y-t.y),i=Math.abs(e.view.center.tile.x-r.x)+Math.abs(e.view.center.tile.y-r.y);return i>n?-1:i===n?0:1}),this.queued_coords.forEach(function(t){return e.loadCoordinate(t)}),this.queued_coords=[])}},{key:"loadCoordinate",value:function(e){if(e.z===this.view.center.tile.z)for(var t in this.scene.sources){var r=this.scene.sources[t];if(r.builds_geometry_tiles&&r.includesTile(e,this.view.tile_zoom)){var n=d.default.key(e,r,this.view.tile_zoom);if(n&&!this.hasTile(n)){var i=d.default.create({source:r,coords:e,worker:this.scene.nextWorker(),style_zoom:this.view.styleZoom(e.z),view:this.view});this.keepTile(i),this.buildTile(i)}}}}},{key:"buildTiles",value:function(e){var t=this;d.default.sort(e).forEach(function(e){return t.buildTile(e)}),this.checkBuildQueue()}},{key:"buildTile",value:function(e,t){this.tileBuildStart(e.key),this.updateVisibility(e),e.update(),e.build(this.scene.generation,t)}},{key:"buildTileStylesCompleted",value:function(e){var t=e.tile,r=e.progress;null==this.tiles[t.key]?(g.default("trace","discarded tile "+t.key+" in TileManager.buildTileStylesCompleted because previously removed"),d.default.abortBuild(t),this.updateTileStates()):t.generation!==this.scene.generation?(g.default("debug","discarded tile "+t.key+" in TileManager.buildTileStylesCompleted because built with "+("scene config gen "+t.generation+", current "+this.scene.generation)),d.default.abortBuild(t),this.updateTileStates()):(this.tiles[t.key]&&(t=this.tiles[t.key].merge(t)),r.done&&(t.built=!0),t.buildMeshes(this.scene.styles,r),this.updateTileStates(),this.scene.requestRedraw()),r.done&&this.tileBuildStop(t.key)
 19 }},{key:"buildTileError",value:function(e){g.default("error","Error building tile "+e.key+":",e.error),this.forgetTile(e.key),d.default.abortBuild(e)}},{key:"tileBuildStart",value:function(e){this.building_tiles=this.building_tiles||{},this.building_tiles[e]=!0,g.default("trace","tileBuildStart for "+e+": "+s.default(this.building_tiles).length)}},{key:"tileBuildStop",value:function(e){this.building_tiles&&(g.default("trace","tileBuildStop for "+e+": "+s.default(this.building_tiles).length),delete this.building_tiles[e],this.checkBuildQueue())}},{key:"checkBuildQueue",value:function(){this.building_tiles&&0!==s.default(this.building_tiles).length||(this.building_tiles=null,this.scene.tileManagerBuildDone())}},{key:"getDebugSum",value:function(e,t){var r=0;for(var n in this.tiles)null==this.tiles[n].debug[e]||"function"==typeof t&&t(this.tiles[n])!==!0||(r+=this.tiles[n].debug[e]);return r}},{key:"getDebugAverage",value:function(e,t){return this.getDebugSum(e,t)/s.default(this.tiles).length}}]),e}();r.default=b},{"./tile":346,"./tile_pyramid":348,"./utils/log":352,"./utils/worker_broker":360,"babel-runtime/core-js/get-iterator":4,"babel-runtime/core-js/object/keys":15,"babel-runtime/helpers/classCallCheck":21,"babel-runtime/helpers/createClass":22}],348:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0});var i=e("babel-runtime/helpers/toConsumableArray"),a=n(i),o=e("babel-runtime/core-js/get-iterator"),s=n(o),l=e("babel-runtime/core-js/map"),u=n(l),c=e("babel-runtime/helpers/classCallCheck"),f=n(c),h=e("babel-runtime/helpers/createClass"),d=n(h),p=e("./geo"),m=n(p),_=e("./tile"),g=n(_),v=function(){function e(){f.default(this,e),this.coords={},this.max_proxy_descendant_depth=3}return d.default(e,[{key:"sourceTiles",value:function(e,t){return this.coords[e.key]&&this.coords[e.key].sources&&this.coords[e.key].sources.get(t.name)}},{key:"addTile",value:function(e){var t=e.coords.key,r=this.coords[t];r||(r=this.coords[t]={descendants:0}),r.sources||(r.sources=new u.default),r.sources.get(e.source.name)||r.sources.set(e.source.name,new u.default),r.sources.get(e.source.name).set(e.style_zoom,e);for(var n=e.coords.z-1;n>=0;n--){var i=g.default.coordinateAtZoom(e.coords,n);this.coords[i.key]||(this.coords[i.key]={descendants:0}),this.coords[i.key].descendants++}}},{key:"removeTile",value:function(e){var t=this.sourceTiles(e.coords,e.source),r=e.coords.key;t&&(t.delete(e.style_zoom),0===t.size&&(this.coords[r].sources.delete(e.source.name),0===this.coords[r].sources.size&&(delete this.coords[r].sources,0===this.coords[r].descendants&&delete this.coords[r])));for(var n=e.coords.z-1;n>=0;n--){var i=g.default.coordinateAtZoom(e.coords,n);this.coords[i.key]&&this.coords[i.key].descendants>0&&(this.coords[i.key].descendants--,0!==this.coords[i.key].descendants||this.coords[i.key].sources||delete this.coords[i.key])}}},{key:"getAncestor",value:function(e){var t=e.coords,r=e.style_zoom,n=e.source;if(r>n.max_zoom){var i=this.sourceTiles(t,n);if(i)for(var a=r-1;a>=n.max_zoom;a--)if(i.has(a)&&i.get(a).loaded)return i.get(a);r=n.max_zoom}r--;var o=g.default.coordinateAtZoom(t,t.z-1),s=this.sourceTiles(o,n);return s&&s.has(r)&&s.get(r).loaded?s.get(r):o.z>0?this.getAncestor({coords:o,style_zoom:r,source:n}):void 0}},{key:"getDescendants",value:function(e){var t=e.coords,r=e.style_zoom,n=e.source,i=arguments.length<=1||void 0===arguments[1]?1:arguments[1],o=[];if(r>=n.max_zoom){var l=this.sourceTiles(t,n);if(l)for(var u=Math.max(m.default.default_view_max_zoom,r+this.max_proxy_descendant_depth),c=r+1;u>=c;c++)if(l.has(c)&&l.get(c).loaded)return o.push(l.get(c)),o;return o}if(this.coords[t.key]&&this.coords[t.key].descendants>0){r++;var f=!0,h=!1,d=void 0;try{for(var p,_=s.default(g.default.childrenForCoordinate(t));!(f=(p=_.next()).done);f=!0){var v=p.value,y=this.sourceTiles(v,n);y&&y.has(r)&&y.get(r).loaded?o.push(y.get(r)):i<=this.max_proxy_descendant_depth&&v.z<=n.max_zoom&&o.push.apply(o,a.default(this.getDescendants({coords:v,source:n,style_zoom:r},i+1)))}}catch(b){h=!0,d=b}finally{try{!f&&_.return&&_.return()}finally{if(h)throw d}}}return o}}]),e}();r.default=v},{"./geo":299,"./tile":346,"babel-runtime/core-js/get-iterator":4,"babel-runtime/core-js/map":7,"babel-runtime/helpers/classCallCheck":21,"babel-runtime/helpers/createClass":22,"babel-runtime/helpers/toConsumableArray":28}],349:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0}),r.default={draw_label_collision_boxes:!1,draw_label_texture_boxes:!1,suppress_label_fade_in:!1}},{}],350:[function(e,t,r){"use strict";function n(e){return 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this.scene.config.cameras[t].active),this.scene.updateConfig({rebuild:!1}),this.getActiveCamera()}},{key:"update",value:function(){this.camera.update()}},{key:"setViewportSize",value:function(e,t){this.size.css={width:e,height:t},this.size.device={width:Math.round(this.size.css.width*y.default.device_pixel_ratio),height:Math.round(this.size.css.height*y.default.device_pixel_ratio)},this.aspect=this.size.css.width/this.size.css.height,this.updateBounds()}},{key:"setView",value:function(){var e=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],t=e.lng,r=e.lat,n=e.zoom,i=!1;return"number"==typeof t&&"number"==typeof r&&(this.center&&t===this.center.lng&&r===this.center.lat||(i=!0,this.center={lng:d.default.wrapLng(t),lat:r})),"number"==typeof n&&n!==this.zoom&&(i=!0,this.setZoom(n)),i&&this.updateBounds(),i}},{key:"setZoom",value:function(e){this.zooming?this.zooming=!1:this.last_zoom=this.zoom;var t=this.tile_zoom,r=this.tileZoom(e);this.continuous_zoom||(e=r),r!==t&&(this.zoom_direction=r>t?1:-1),this.last_zoom=this.zoom,this.zoom=e,this.tile_zoom=r,this.updateBounds(),this.scene.requestRedraw()}},{key:"startZoom",value:function(){this.last_zoom=this.zoom,this.zooming=!0}},{key:"baseZoom",value:function(e){return Math.floor(e)}},{key:"tileZoom",value:function(e){return this.baseZoom(e)-this.tile_simplification_level}},{key:"styleZoom",value:function(e){return this.baseZoom(e)+this.tile_simplification_level}},{key:"ready",value:function(){return"number"!=typeof this.size.css.width||"number"!=typeof this.size.css.height||null==this.center||"number"!=typeof this.zoom?!1:!0}},{key:"updateBounds",value:function(){if(this.ready()){this.meters_per_pixel=d.default.metersPerPixel(this.zoom),this.size.meters={x:this.size.css.width*this.meters_per_pixel,y:this.size.css.height*this.meters_per_pixel};var e=d.default.latLngToMeters([this.center.lng,this.center.lat]),t=a.default(e,2),r=t[0],n=t[1];this.center.meters={x:r,y:n},this.center.tile=d.default.tileForMeters([this.center.meters.x,this.center.meters.y],this.tile_zoom),this.bounds={sw:{x:this.center.meters.x-this.size.meters.x/2,y:this.center.meters.y-this.size.meters.y/2},ne:{x:this.center.meters.x+this.size.meters.x/2,y:this.center.meters.y+this.size.meters.y/2}},this.scene.tile_manager.updateTilesForView(),this.trigger("move"),this.scene.requestRedraw()}}},{key:"findVisibleTileCoordinates",value:function(){if(!this.bounds)return[];for(var e=this.tile_zoom,t=d.default.tileForMeters([this.bounds.sw.x,this.bounds.sw.y],e),r=d.default.tileForMeters([this.bounds.ne.x,this.bounds.ne.y],e),n=[],i=t.x-this.buffer;i<=r.x+this.buffer;i++)for(var a=r.y-this.buffer;a<=t.y+this.buffer;a++)n.push(m.default.coord({x:i,y:a,z:e}));return n}},{key:"pruneTilesForView",value:function(){var e=this;if(this.ready()){var t=[Math.ceil((Math.floor(this.size.css.width/d.default.tile_size)+2)/2),Math.ceil((Math.floor(this.size.css.height/d.default.tile_size)+2)/2)];this.scene.tile_manager.removeTiles(function(r){if(r.visible||r.proxy_for)return!1;if(r.loading&&r.style_zoom!==e.tile_zoom)return!0;var n=Math.abs(r.style_zoom-e.tile_zoom);if(n>e.preserve_tiles_within_zoom)return!0;var i=m.default.coordinateAtZoom(r.coords,e.tile_zoom);return Math.abs(i.x-e.center.tile.x)-t[0]>e.buffer?(k.default("trace","View: remove tile "+r.key+" (as "+i.x+"/"+i.y+"/"+e.tile_zoom+") for being too far out of visible area ***"),!0):Math.abs(i.y-e.center.tile.y)-t[1]>e.buffer?(k.default("trace","View: remove tile "+r.key+" (as "+i.x+"/"+i.y+"/"+e.tile_zoom+") for being too far out of visible area ***"),!0):!1})}}},{key:"createMatrices",value:function(){this.matrices={},this.matrices.model=new Float64Array(16),this.matrices.model32=new Float32Array(16),this.matrices.model_view=new Float64Array(16),this.matrices.model_view32=new Float32Array(16),this.matrices.normal=new Float64Array(9),this.matrices.normal32=new Float32Array(9),this.matrices.inverse_normal32=new Float32Array(9)}},{key:"setupTile",value:function(e,t){e.setupProgram(this.matrices,t),this.camera.setupMatrices(this.matrices,t)}},{key:"setupProgram",value:function(e){e.uniform("2fv","u_resolution",[this.size.device.width,this.size.device.height]),e.uniform("3fv","u_map_position",[this.center.meters.x,this.center.meters.y,this.zoom]),e.uniform("1f","u_meters_per_pixel",this.meters_per_pixel),e.uniform("1f","u_device_pixel_ratio",y.default.device_pixel_ratio),this.camera.setupProgram(e)}}]),e}();r.default=A},{"./camera":298,"./geo":299,"./tile":346,"./utils/log":352,"./utils/subscribe":356,"./utils/utils":358,"babel-runtime/core-js/object/keys":15,"babel-runtime/helpers/classCallCheck":21,"babel-runtime/helpers/createClass":22,"babel-runtime/helpers/slicedToArray":27}]},{},[321])(321)});